Osman ambushes Dündar and Zöhre, who were taking their daughter, Aygül, to get her married to Alişar, he sought to show them that he didn't kill Batur. He trusts Aygül that she believed him that he didn't kill Batur, however, as she didn't trust him from the start, when she is let go, she tells Alişar everything and asks him to save her parents. Later, Aygül's parents are freed because of her betrayal.

Kongar reverts to Islam and becomes Göktug after a contract is shown to him that he was actually bought by Balgay from a slave-trader. Meanwhile, Osman is tasked by the Aksakals to save his uncle, Sungurtekin, who was spying for them in the Margarit Monks and his betrayal is now caught, Osman succeeds and embraces his thought-dead uncle.

Nikola arrives in the nomad camp and claims he wants peace while Osman thinks he is about to meet his father but falls into an ambush set by Yavlak Arslan, Hazal Hatun's brother. Meanwhile, Osman's elder brother, Savcı, also returns from Crimea. Ertuğrul goes to meet Arslan Bey of the Çobanoğlu tribe and warns him not to become a traitor as he's dealt with them his whole life. Osman, who escapes Arslan's ambush, ambushes him and Geyhatu's son, Möngke's camp. However, Arslan and Möngke escape.

The 'dark knights' injure Osman very badly and everyone believes he is dead, however, Osman is actually alive but he only tells Gündüz, Bala and Selcan. Taking advantage, Osman conquers Kulucahisar Castle and kills Sofia in the process. Aygül, who is mentally ill, attempts to kill Hazal because she killed her mother, however, the arrow accidentally kills Burçin instead.

Subutay is beheaded, however, Sofia escapes with the help of Balgay. Kongar becomes a Muslim again after remembering everything but bids farewell to Konur, who was accidentally killed by him when he was drunk with the potion. In an epic showdown, Balgay is supposedly killed by Osman along with the supposed death of Cerkutay by Göktug in the presence of Sofia and her 'dark knights', a special sort of knights, who keep on fighting till they die. However, Cerkutay manages to survive the attack.

Göktug continues to spy for Osman at Balgay's camp while Osman recovers with the help of Şeyh Edebali and sees a dream which results in Edebali allowing Osman to marry Bala.

Balgay captures Osman while Böke, the Mongol commander who informed the monks about Sungurtekin's betrayal, supposedly allies with Balgay to save his life, however, with the help of Göktug, disguised as Kongar, Osman escapes but is severely wounded by arrows.

Zöhre, Dündar's devious wife who even had Gündüz kidnapped by Balgay earlier, plans to take Adelfa to Alişar in spite of Bala and Selcan through her adoptive daughter, Burçin.

Alişar pins the blame on Osman resulting in Dündar attacking Osman during the ambush. In Dündar's attack, Alişar, who is hidden behind the trees, aims at killing Osman with his arrow but accidentally hits Dündar instead. Balgay escapes but Gündüz, Osman's elder brother, successfully becomes the new substitute Bey of the Kayı tribe.

Dündar is given the Sançak Beylik, angering Alişar, and Osman takes back the dagger he gave to Balgay secretly through an operation at his camp, humiliating him in front of the Mongol leaders. Bala is wounded by some Mongols and now cannot produce a baby.

Osman, who has met the Aksakals, arrives in the tribe and gives Balgay Genghis Han's dagger in order to leave him and his tribe alone. Osman tasks Salvador to spy for him in Kulucahisar Castle, however, the cunning Sofia still doesn't trust him too much. Meanwhile, the tribe council, mainly Dündar, decides to expel Osman for rebelling against the Mongols. Osman later recaptures Söğüt with his alps.

As the allied enemies, Nikola, Targun and Petrus continue to stir traps for Osman, Targun ambushes Bala while İdris leads Bamsı into a trap set by Aya Nikola in order to seize the scrolls with Osman's plans for Anatolia. When Osman is alerted, he sets out with half his alps to find Bamsı, only to fall in Nikola's trap and have his tribe pillaged by Targun for the scrolls and a failed attempt by Dündar to become the Bey. Aksu is also killed by Targun before she can confess to Bala about Dündar and Hazal's misdeeds.

Arslan tasks Cerkutay, who is alive, to go to Geyhatu, who already hates him because of him being loyal to Balgay, and tell him that Osman captured Möngke. Geyhatu, who is in Konya planning to kill his brother, Argun, is angered over this and allows Cerkutay to live if he is loyal to him. Meanwhile, Söğüt perishes due to the disease spread by Flatyos on the orders of Nikola followed by an explosion done by the same people.

Aygül is currently mentally ill after she learnt the truth about Alişar. Sıddık's betrayal is caught by Sofia and thus he is martyred while Subutay allies with Balgay and Sofia to destroy the Kayı tribe in an attack. Osman, who is aware of the attack, prepares for it and therefore, Subutay's plans backfire.

Osman ignores Subutay's threats and beheads Alişar. Sofia escapes the Emperor who sentenced Yannis and most of the Margarit Monks to death. Hazal[v], Dündar's first wife, arrives and kills Zöhre for poisoning Osman and Bala's wedding food, which was given to her indirectly through Sofia. Meanwhile, Balgay finds out that Göktug has been betraying him and gives him a potion that messes up his memory and changes him into Kongar again.

Osman tasks Gündüz and Bala to invade Alişar's mansion where they are successful. Meanwhile, Osman captures Alişar when he is away and forces him to reveal to Dündar that he killed Batur. After seeing this, Dündar begs for forgiveness. Böke also dies in an ambush and Osman takes Alişar to the tribe and is ready to behead him only to be stopped by Geyhatu's commander, Subutay.

Osman Bey's strategic agreement with Sofia stirs conflict among the beys, raising doubts about trust and unity within the tribe. Meanwhile, Kuçar plots to isolate Osman Bey and exploit Hasan Bey's departure to incite chaos, and Claudius devises a coup threatening the fragile alliance between Osman and Sofia. As Bala Hatun and Halime embark on a perilous journey to find Alaeddin and Gonca, Alaeddin risks everything to save Gonca from Kuçar's ruthless schemes. Amid the shadows of captivity, Orhan Bey faces challenges that could either mend or deepen the rift with his brother. With his children's lives in peril, Osman Bey sets out on a bold mission, seeking both rescue and revenge, aiming to deliver a decisive blow to his enemies, Kuçar and Claudius.

Esenbike Hatun's dramatic arrival at Kayı Oba creates tension as she demands a hefty tax from Osman Bey or threatens to claim his daughter Fatma for her son Sargun. Osman Bey, resolute in protecting his family and people, devises a risky plan to escape this predicament while avoiding conflict with Olcaytu. Meanwhile, Bala Hatun, determined to find her daughter Halime, captures Sofia and stakes everything on negotiating her release in exchange for Halime’s whereabouts, uncovering a potential truth about Poena's identity.

The Mongol Commander Ulugan challenges Osman Bey at the Kayı Tribe, threatening his reputation and life, while the Mongols brutally torture Prince Orhan in Karacahisar, forcing Osman to plan his rescue. A poison spreads through the tribe, endangering lives, including Poena’s, as Alaeddin Bey seeks an antidote and Bala Hatun fears losing Poena without knowing she is her daughter Halime. Amidst these challenges, Osman Bey tightens defenses against the Mongols, while Ilbay devises plans to undermine them, leaving the tribe to navigate multiple critical threats testing their strength and unity.

Osman Bey is captured by Sultan Alaeddin at Marmaracik Fortress. Sultan Alaeddin issues a death warrant, but Ismihan Sultan has a different plan for Osman Bey. She intends to have him abducted by Kantakouzenos and Olof, claiming he has escaped. Ismihan Sultan also decides to expel the Kayis from Yenisehir. The people face famine and disease, adding to their difficulties. Osman Bey and his tribe confront internal conflicts and external threats, making their situation challenging.

After Bamsı Bey's martyrdom, Osman Bey takes an oath to avenge him. Togay, meanwhile, develops an alliance with Nikola and establishes a large army to strike a last blow to the Kayıs. Togay, who enlarges his army with the soldiers he receives from Nikola, stands against Osman Bey and his alps in the battlefield. However, Nikola withdraws from the battle after having a prior agreement with Gündüz Bey, although Governor Yargucu arrives and takes Togay into custody.

Göktuğ helps Bala defeat Targun in a trap, with Bala eventually killing her. Meanwhile, Osman is saved from Nikola's ambush by Malhun Hatun, a woman requesting Osman for some land for her tribe of 1000. As Malhun settles in the tribe, she questions Osman about his plans. Göktug is made leader of the Cuman Turks, whilst Petrus and Simon demand compensation from Osman for allegedly being attacked. İdris is caught as a spy by Osman, although he is killed by Dündar before he can reveal his treachery.

Osman is alerted that a distant Cuman Turk tribe has been invaded by the Emperor and the Bey's daughter, Targun, is being taken captive. Osman rescues Targun and takes her to the tribe. However, Targun is betraying Osman, she spies for Aya Nikola to save her father, İnal Bey, who is in Aya Nikola's captive. Hazal also teases Bala that Targun was brought by Osman because he wanted to marry her for a child which she couldn't produce.

Osman steals all the tax gold that was being transported illegally to Alişar Bey, the Selçuk Sançak Bey, by the Mongols. Yannis, disguised as a clairvoyant, proves to Alişar that Osman stole the gold. Alişar becomes an enemy of Osman.

Osman took Bala Hatun's healing from Yannis and exposed Yannis.

Before the battle, Osman raids the Byzantines and seizes ammunition, before going to battle with the support of Turkmen and Seljuk forces. During the battle, Dukas and local Tekfurs are killed by Osman's forces, with Nikola and Helen escaping alive, and Turhan Alp being martyred. Meanwhile, Zoe tries to poison the pregnant Malhun Hatun but is caught and arrested. After the battle, Osman's son Orhan is born, whilst Bala reveals to Osman that she is pregnant and Osman decides to establish a state after visiting the Aksakals.

Osman Bey takes action to prepare for a war he will wage against the Byzantine army led by a commander named Dukas. Osman goes to Konya to meet with the Seljuk sultan, whilst Governor Yargucu, plans a move against Osman Bey. Increasing his power with the arrival of Commander Dukas in İnegöl with his army, Nikola thinks that he has the opportunity he is looking for to drive the Turks out of the edge. Bala Hatun, who learns that Osman Bey will have a child, tries to control her feelings and takes a step towards Malhun Hatun. Osman Bey, on the other hand, goes to battle with Dukas' Byzantine army.

After Osman lures Togay from custody into a trap, he captures and beheads him in Söğüt. The abduction and execution of Togay angers the Governor Yargucu, who subsequently demands Kayı Tribe pay a three-year tax within three days. Yargucu also forms an alliance with Nikola. Later, Malhun Hatun reveals to Osman that she is pregnant and Göktuğ's lover Zoe is revealed to be serving Nikola.

A wedding ceremony is set up in Kayı Tribe for the marriage of Osman Bey and Malhun Hatun. While the wedding is being held, Bala Hatun grieves despite her consent to this marriage. With the arrival of the winter season, after the wedding ceremony, it is decided that Kayı tribe will migrate to Domaniç Plateau. While preparations continue in the tribe, Togay breaks the agreement and decides to attack Osman Bey, despite the warnings of the Mongol governor Yargucu. In the ensuing battle, Togay kills Bamsı Beyrek after a fight.

Umur Bey and his alps are captured by Togay after ignoring Osman Bey's order not to launch an attack. Meanwhile, Togay's commander Camuha raids the vulnerable Bayındır tribe with his sentries, with Malhun Hatun and a handful of alps battling to defend the tribe. Later. Umur Bey, left alone and trapped by Nikola, regrets his failure. Osman Bey, who takes immediate action to heal the wounds of Umur Bey, holds Umur Bey to account for disobeying his command.

Osman Bey's expulsion of the ambassador who comes to the tribe to receive the tax causes Togay to break his truce. This causes the Seljuk Sultan, Mesud II, to summon Osman Bey to Konya to punish him in order to protect him from the wrath of the Mongols. Learning that Osman Bey refused to pay taxes to the Mongols from a spy in the tribe, Nikola takes action to increase his influence by taking advantage of the Mongol-Turkish war. Bamsı Bey also kills Petrus after Osman realises Simon was killed by Nikola. Cerkutay, on the other hand, becomes a Muslim under the witness of Sheikh Edebali. Umur Bey develops a plan to attack Togay, which is opposed by Osman. After a confrontation between the pair, Sheikh Edebalı tells Osman Bey that he must marry Malhun Hatun in order to gain the support of Umur Bey and achieve the goal of uniting the Turkish tribes.

Osman Bey confronts the Byzantine-Mongol army with the support of Malhun Hatun. In the ensuing battle, Savcı Bey is stabbed by Kalanoz in the back and dies, which prompts Osman Bey to kill Kalanoz in revenge. Nikola, who gathers troops from the local landlords, plans to raid Umur Bey’s tribe in response to Malhun Hatun's participation, whilst Umur Bey, decides to exile his daughter for fighting against his will. Looking for ways to break the Byzantine-Mongol alliance, Osman Bey agrees to pay taxes to the Mongols, surprising everyone. Togay, who is strengthened by the lands given to his command, plans to turn this situation into an opportunity to consolidate his domination in the region.

Due to the pressure of the Mongols, Tekfur Yason imposes heavy taxes, causing the people of Yarhisar to take shelter with Osman Bey. Nikola also finds out about Simon and Petrus being captured by Osman and kills Simon after realising Osman is using him. Refusing Togay's demand to turn over the refugees, Osman Bey causes the Byzantine-Mongol alliance to be re-established. While Togay plans a major operation against Kayı Tribe, Malhun Hatun, who wants to take Osman's side in this war, confronts her father, Umur Bey.

Dündar flees from Söğüt after being exposed as a traitor, and takes refuge with Nikola in İnegöl. The revelation that Dündar is a traitor infuriates Gündüz and Savcı and saddens Aygül. Meanwhile, Petrus and his right-hand man Simon attempt to kill Hazal to cover their tracks, but are stopped by Osman Bey and are captured, with Hazal put under house arrest. Osman sends Gündüz as a messenger to İnegöl and offers a ransom for Dündar, although Nikola declines and demands more gold via Ömer Bey. Eventually, Osman uses Simon to lure Dündar into a trap, capturing him.

After Togay leaves for Konya, his fellow commander Camuha arrives. After Nikola learns Camuha's whereabouts from Dündar, he informs Osman, leading to a successful ambush, although Camuha escapes. Meanwhile, Osman attacks the incoming Kalanoz, younger brother of Kalanoz, after learning of his arrival indirectly from the Mongols, killing many Byzantine soldiers. He invites all Turkmen tribes to join the attack except the Bayındırlı, angering Ömer Bey. Şeyh Edebali later calls Osman and Ömer Bey to Söğüt to resolve their differences, leading to Ömer Bey handing over Dündar's ring to Osman, exposing Dündar as a traitor.

Osman decides to use Tekfur Aris as bait to trap Nikola. However, Togay kills Aris on the way, providing Nikola with an excuse to keep Malhun in captivity. Nikola also kills Zülfikar Derviş, Osman's spy in İnegöl. Nikola also releases Malhun to gain the support of Ömer Bey, who seeks to sell him horses in order to infiltrate and conquer the castle. The sale of horses angers Osman, who orders them to be seized. Meanwhile, Togay ambushes some of the Kayı on the way back from Boran Alp's unfinished wedding, wounding Gonca Hatun and killing Abdurrahman Gazi.

Osman captures Suci, one of Togay's henchmen. However, Suci is also Cerkutay's blood brother and friend, compelling Cerkutay to save his friend, leading to the tribe believing that Cerkutay is a traitor. Cerkutay, actually serving Osman, later helps the Kayı attack Togay's forces. Meanwhile, a recovered Malhun is sent by her father to İnegöl to ally with Nikola against Togay, although she is captured in the castle by Togay, who has allied with Nikola. Osman also captures Nikola's ally Tekfur Aris, seeking to ally with him, although Togay delivers an ultimatum to surrender the Tekfur in exchange for Malhun.

Togay, revealed to be Baycu Noyan's son, attacks a meeting of Turkmen Beys chaired by Osman in Söğüt, wounding Ömer Bey. Seeking to sow discord amongst the Turks, Togay frames the Dodurga Bey İvaz Bey for the attack, although his innocence is later revealed. Meanwhile, Lena, having given birth to a son named Ertuğrul, accepts Islam with the help of Şeyh Edebali. Suspecting Dündar's treachery, Osman attempts to set a trap for Dündar and Togay, although Dündar outwits Osman, causing Togay to attack and wound Malhun.

Osman and his alps are forced to retreat from the battle, whilst Bayhoca later dies from his wounds. Flatyos is soon captured by Osman, and is taken to the Kayı tribe in order to make him reveal the traitor in the tribe. However, on Dündar's urging, Savcı and Lena kill Flatyos to avenge their son, inadvertently covering Dündar's tracks. Meanwhile, Petrus allies with Geyhatu's commander Togay, who arrives seeking to annihilate the Bayındır and Kayı tribes.

Osman goes after İdris' killer, but Dündar is saved by Petrus. Meanwhile, Göktuğ learns that Nikola is travelling to Constantinople, and sends word to Osman. Dündar later allies with Petrus and reveals Osman's intentions to ambush Nikola whilst he is on his journey. Meanwhile, the cynical Malhun discovers Dündar's thumb ring, having been dropped when he was in Söğüt, and attempts to find the traitors in the Kayı. As Osman's ambush is foiled by Nikola after learning of it from Petrus, Bayhoca is shot and wounded by Flatyos.

Going against his loved ones' advice, after Savcı is tricked and wounded by Flatyos, Osman agrees to surrender Kulucahisar in exchange for Bayhoca. However, he makes a plan and re-conquers the castle immediately after surrendering it, killing Alexander. Meanwhile, a desperate Lena seeks her former lover Flatyos' help, angering Savcı. İdris, Petrus' spy in the Kayı, also begins to set a trap for Bamsı on Petrus' orders, whilst Göktug and Targun return and offer Flatyos an alliance.

Bala seeks to marry Aksu Hatun to Osman as per Ertuğrul's will, although Aksu is Hazal's adoptive daughter and unknowingly ends up working in her devious schemes. The Kayı flag is also changed by Osman along with Bayhoca being captured by Nikola after a series of events.

Dündar and the Kayı make a trade deal with Tüccar Melik and Süleyman (Simon and Petrus), Ertuğrul comes in Osman's dream reminding him of his will for his second marriage and Nikola is made the "Tekfur of Tekfurs" while his army from Constantinople, led by Alexander, is destroyed by Osman in a great battle. Alexander survives.

After a series of events including Bala being poisoned by Targun, Targun and Göktug are exiled, which is part of Osman's plans. Dündar has a meeting with Nikola which Osman is aware of resulting his beating when he returns. Petrus' real plans are also revealed, he wants to know what the Turks of Anatolia are planning by seizing some scrolls.

The tribe elections are held to decide the new Bey. Dündar comes face-to-face with Osman however, Osman is elected as the new Bey much to Dündar's despair and anger. Meanwhile, a new threat against the Kayı tribe emerges after Petrus, sent by the Pope, arrives to help Nikola kill Osman but also has a secret plan which he doesn't tell Nikola about. Bayhoca, Savcı's son, also returns.

Targun and Osman make a plan to kill Nikola and rescue İnal Bey in which they succeed in rescuing İnal but fail to kill Nikola and only injure him. Ertuğrul dies just before he could announce that Osman is the new Bey.

The tensions escalate further upon the death of Argun, who was killed by Geyhatu, and Geyhatu's visit to Tabriz in order to become the Han of the İlhanlı (transl. Ilkhanate). Nikola vows to ally with the powerful Geyhatu in order to destroy the Turks. Ertuğrul also recovers and stops Savcı from becoming the Bey (which is a part of Dündar's plans) while Yavlak allies with Osman to help him against Geyhatu.

Osman Bey fiercely battles Claudius and the Roman army, successfully repelling Byzantine forces despite shifting power dynamics. However, threats persist as a traitor still lurks within the tribe. Meanwhile, Yiğit, blinded by ambition, plots to assassinate Bala Hatun and even turns against his own brother, Koca Bey. Claudius, consumed by hatred, launches a vicious attack on the Kayı tribe but ultimately falls into Osman Bey’s grasp, facing his wrath. Sofia, driven by vengeance, meets her end in a final confrontation, executed before the tribe. As Osman Bey prepares to shake Anatolia with his grand ambitions, he continues to inspire hope among the Turkmens.

Osman Bey reclaims his tribe and establishes a new order, gaining the loyalty of influential Turkmen lords like Hasan Alp and Koca Bey, but faces growing threats from within and outside. Kuçar, Olcaytu Khan's ambassador, demands Osman Bey's children as compensation for deaths he didn’t cause, while Commander Gladius, allied with Sofia, arrives with a treacherous plan to defeat him. Amid external pressures, internal tensions escalate between Princes Orhan and Alaeddin, threatening the dynasty's stability. Sofia targets Halime in her latest scheme, but Halime, armed with the truth, prepares to confront her, adding complexity to the already turbulent situation.

Spring brings victories, as Ramadan and Nevruz coincide. Osman Bey decides to spend Ramadan with his tribe, anticipating what awaits them. Bala Hatun supports Holofira, whose mysterious survival after being poisoned raises questions about her future with Orhan. Alaeddin and Gonca ride together, facing obstacles they must overcome. Osman Bey sets a trap for the Catalan army, seeking their numbers and routes. He plans to use this information strategically. Imren Tegin awaits the Franks, plotting against Osman Bey. Determined, Osman Bey aims to defeat the Frank leader and thwart Imren Tegin's schemes.

The fight between Boran and Konur causes a stir in the tribe, awaiting Osman Bey's decision. Olivia sees this as advantageous and plans to exploit it. Imren Tegin demands Osman Bey's allegiance, but Osman asserts his superiority, leading to rising tensions. Osman has a plan against Imren Tegin, who is also strategizing against him. Ayça Hatun tries to burn Elçim Hatun's dowry, endangering Gazi in the fire. The tribe must determine if Ayça was responsible. Bala Hatun sets out to support Osman Bey against Imren Tegin's move. Holofira arrives at Osman Bey's camp, and Orhan sees her, prompting a conversation. Alaeddin Bey remains committed to Gonca Hatun, despite their challenges.

Tensions rise as Mongolian Commander Nayman demands a ransom for Samagar's murder. Ismihan Sultan summons Germiyanoglu, Candaroglu, Karesioglu, and Osman Bey. The Beys hold Osman Bey responsible and insist he pay the ransom. However, Osman Bey stands firm, refusing to negotiate. He asserts their equality and rejects paying any price for Samagar's head. Meanwhile, Olof gathers a large Byzantine army, posing a threat to Inegol. Osman Bey faces challenges from both the Mongols and Olof, endangering his principality.

Osman Bey faces Commander Constantine, with the survival of Byzantium or the Turkish state at stake. Osman Bey is determined to fight without stopping and makes his first move against Constantine. Mehmet worries about Gonca Hatun's illness, which might thaw their strained relationship. Constantine receives a letter revealing Holofira works for Osman Bey, leading to potential actions against her. A trick is being set up against Elçim Hatun involving Holofira's exposure. Bala Hatun's response will be crucial. Constantine plans to defeat Osman Bey, who must find a way to escape the trap set by Constantine.

After Sheikh Edebalı intervenes and prevented a possible conflict between Osman Bey and Umur Bey, Umur Bey stands down. Meanwhile, Nikola takes action to destroy the truce between Osman Bey and Togay, with Osman's plan to trap Togay being ruined. While Osman Bey, sends Göktuğ as an envoy to Togay to ensure he remains loyal to the agreement; Sheikh Edebali takes on the task of persuading Umur Bey about marriage. Osman Bey, on the other hand, explains to Bala Hatun that he decided to marry Malhun Hatun after consulting with Sheikh Edebali.

Nayman falls into an unexpected trap set by Osman Bey while searching for lost gold. Osman Bey remains determined despite internal and external challenges, continuing his conquests from where he left off. His next target is Inegol, requiring collaboration with Ismihan Sultan. Osman Bey's approach to persuading Ismihan Sultan remains uncertain. As they near Inegol's walls, Nayman becomes fixated on seizing Osman Bey's prized possession. Undeterred, Osman Bey persists in his quest to conquer Inegol. Oktem Bey supports him, and the Hatuns plan to eliminate Frigg.

Osman Bey, determined to save his son, devises a plan to end discord, confronting Ulcay directly. Ahmet's death causes tension in the Kayı tribe, with Osman Bey detaining İbrahim Bey and Yakup Bey to prevent further bloodshed. Melike Hatun and İbrahim Bey, angry over their son's death, vow revenge. Meanwhile, Osman Bey and Bala Hatun marry Alaeddin and Gonca, despite their fugitive status. Orhan and Mehmet clash fiercely as Mehmet seeks Alaeddin and Gonca. On another front, Mehmet allies with Ulcay to free Yakup Bey, plotting to overcome the danger posed by Ulcay. Osman Bey faces potential threats while visiting Ahmet's grave.

Nayman locates his lost gold but falls into an unexpected trap. Osman Bey remains resolute in his conquests despite internal and external challenges. He sets his sights on Inegol and aims to collaborate with Ismihan Sultan. The method to win her support is uncertain. As Osman Bey approaches Inegol, Nayman seeks a valuable asset. Undeterred, Osman Bey persists in his conquest, while the Hatuns plan to eliminate Frigg.

Osman Bey plans to break the Ilkhanate and Crusader alliance. During an attack on Gonca Hatun's caravan, Alaeddin Bey helps her, echoing their past cooperation. Osman Bey discusses Orhan and Elçim's marriage, aiming for a quick resolution, causing reactions from Orhan and Holofira. İmren Tegin plots to kill Elçim to disrupt the marriage, ordering his spy to act. İmren Tegin also kills Uraz Bey, sending his head to Osman Bey as a grim message. Osman Bey's response to İmren Tegin's provocations is awaited.

Osman Bey prepares his army for his ambitious goal, setting a new plan into motion. Elçim Hatun's anger towards Holofira persists, creating tension with Orhan Bey. Mehmet Bey's news from Kütahya causes a problem for Gonca and Alaeddin. Alaeddin proposes marriage to Gonca, awaiting her response. Malhun Hatun, determined to uncover the truth, imprisons Olivia in the dungeon. Orhan Bey plans a significant attack on Olcaytu's caravan, setting a trap. Finally, Osman Bey faces Imren Tegin, setting the stage for a crucial confrontation.

Osman Bey, now leading a state, aims to unify the Turks under his banner, and influence border principalities. Bayhan Bey and his rival Begüm Hatun attend Osman Bey's wedding, possibly revealing intentions towards his daughter, Fatma Hatun. The arrival of the Caliph's vizier Emir Ömer stirs tension, his purpose unknown to Osman. Emir Ömer secretly informs Karesi Bey of the theft of sacred relics, prompting Karesi to seek them out and offer allegiance to Osman Bey. As Osman expands his territory, Byzantine hopes rest on Commander Lucas, who holds the sacred relics and plots against the Turks. Lucas tries to recruit Holofira, impacting her and Orhan Bey’s paths. Alaeddin Bey is imprisoned in a castle as Osman continues his conquests, facing Lucas's schemes.

Despite numerous challenges, Karadin Castle becomes Kayı property. Alaeddin Bey is exposed to danger during the conquest. Commander Lucas devises a plan to find and exploit the weaknesses of Osman Bey and Karesi Bey, aiming to set them against each other. Lucas, holding sacred relics, plans to use them as leverage. Osman Bey's tribe is alarmed when the relics are stolen, and he confronts Lucas. The fight for Karadin Castle ensues with Begüm Hatun and Bayhan Bey vying for control, while Bala Hatun remains disinterested. Holofira, under Lucas's orders, arrives uninvited at the celebration, rekindling her love with Orhan Bey, who proposes marriage. Saruca and Yusuf compete for Fatma Hatun's affection. During Gonca Hatun's difficult childbirth, Begüm and Hazal Hatun clash, with Begüm accusing Hazal of poisoning her.

Osman Bey's escape angers Lucas and Karesi Bey, who plan a new move against him. During a wedding in Kayı Oba, Lucas incites a Greek rebellion in Söğüt, shocking everyone. Lucas also pressures Karadin Castle, putting Osman Bey in a tight spot as he deals with both threats. Osman Bey escapes a trap, while Orhan Bey and Holofira face danger from Lucas' men. With no obstacles left, Osman Bey plans a grand wedding for Orhan and Holofira. Tensions rise between Gonca Hatun and Holofira due to lingering pain. Begüm and Hazal Hatun notice the strain and may exploit it. Gonca Hatun considers leaving Kayı Oba with Alaeddin Bey. Yusuf and Saruca vie for Fatma Hatun's affection, leading to a showdown between them.

Osman Bey rewards Karesi Bey with Karadin Castle for thwarting Lucas's plan to capture it, initiating trade despite Karesi Bey's potential hidden motives. Meanwhile, Osman Bey tackles the escalating Greek Rebellion in Söğüt, aiming to restore peace by targeting its leader, Arcadeus. Sofia teams up with Lucas to seek revenge, severely injuring Baysungur, pushing Osman Bey to focus on avenging him. In the Kayı Obası, tensions rise between Gonca Hatun and Holofira, drawing Hazal and Begüm Hatun into the conflict. Bala Hatun intervenes with impactful warnings, while her strained relationship with Begüm Hatun adds to the discord.

Osman Bey exposes Esenbike's treacherous scheme with Ulugan, prompting Esenbike to declare hostility and rally allies for a major attack. With the Turkmen Beys on his side, Osman Bey strategizes to reclaim the Kayı Tribe and defeat his enemies despite threats from all directions. Meanwhile, Bala Hatun seeks to heal a nun she saved, hoping to uncover the truth about her daughter Halime's whereabouts. Alaeddin Bey creates medicines to aid the nun's recovery, raising questions about whether Bala Hatun will realize Halime is closer than she thinks, and if Poena will recognize Halime’s identity.

Osman Bey faces a heartbreaking decision that tests his loyalty to his state and his love for his children, shaking the tribe's balance. Meanwhile, the escalating rivalry between Prince Orhan and Prince Alaeddin threatens the unity of the tribe, also straining Cerkutay and Boran Bey's relationship. As tensions rise, Osman Bey’s enemies seize the opportunity to act, with Kuçar and Claudius scheming a dangerous plan that demands Osman Bey sacrifice his own kin. Amidst the chaos, Osman Bey and Bala Hatun reunite with their long-lost daughter Halime, who is trapped in turmoil, teetering on the edge—both physically and emotionally—as she faces a life-altering decision.

The Kayı tribe faces mounting trials as Halime’s tragic fall off a cliff leads to turmoil, Sofia and Bala Hatun clash over blame, and Alaeddin and Gonca are held captive by Kuçar with Gonca's fate hanging in the balance. Amid sorrow, Holofira's conversion to Islam brings joy, as Orhan Bey plans to confront the Kuçar threat to save Alaeddin and Gonca. Meanwhile, Osman Bey battles Claudius and Kuçar, navigating dangerous alliances and traps while striving to protect his family and tribe from further loss, including Fatma Hatun, pursued by Begüm Hatun. Despite the threats, Osman Bey's resilience fuels his efforts to outwit his enemies and safeguard his people.

Osman Bey’s sudden council decision shakes the tribe as he prepares for conquest, alarming Byzantium. The Emperor sends Claudius and Sofia to counter him, while Yiğit Bey secretly allies with Claudius. Amid rising tensions, Osman confides in Turgut Gazi, Bala Hatun assigns a mission to Halime and Fatma, and Sofia renews her schemes. As Osman marches with his army, Claudius sets a trap that threatens his campaign.

Osman Bey is ambushed by Olof, revealing a larger scheme involving the kidnapping of his sons and false accusations against Öktem Bey. Ofelia is suspected as the prime culprit. Emperor Andronikos orders Olof to kill Osman Bey and his daughter, Ophelia, escalating the danger for the family.

Osman Bey thwarts Kantakouzenos' plans in Constantinople, but the cunning strategist persists in his game. Kantakouzenos initiates a new strategy, enlisting Olof's aid as the first step. Olof, driven by revenge for his brother Saga, arrives in Yenişehir with his men at Kantakouzenos' behest. Their goal is to besiege Osman Bey, plotting to attack him from both external and internal fronts.

Osman Bey gathers his people to save Gündüz Bey and plans a strategic move against İmren Tegin. He also acts to save Uç Pazar, raising the Germiyan flag there again, which could impact Germiyan-Kayı relations positively. Osman Bey asks Alaeddin Bey to make a sacrifice for their principality's future, similar to what Orhan has done. Meanwhile, Holofira returns to the tribe after a final farewell, causing potential revelations for Orhan. As İmren Tegin plots against Osman Bey, Osman focuses on conquering Atranos Castle and has captured İmren Tegin, deciding on his fate.

Osman Bey confronts Yakup Bey and İbrahim Bey over the murder of the judge to save Alaeddin. Tensions rise, but Yunus Emre's arrival impacts the hostility. Bala Hatun investigates Ahmet's murder in Uç Pazar, where a witness mentions seeing Ulcay. Ulcay's reaction is awaited. Elçim Hatun and Holofira discuss Holofira's decision to stay in the camp, prompting Elçim's response. While Bala Hatun manages tribe affairs, Osman Bey's absence raises questions as he heads to Bursa. Yakup Bey and İbrahim Bey plot to take Bursa and İznik, aiming to neutralize Osman Bey. Osman Bey's goal in Bursa is uncertain, challenging Yakup Bey and İbrahim Bey's plans. The conflict between the three principalities evolves amidst these tensions.

The attack on Aktemur has greatly shaken Osman Bey's trust, leading him to establish a court to address the situation. Both Öktem Bey, who is accused of stealing gold, and his daughter, Alçiçek Hatun, who injured Aktemur Bey, will face trial. Osman Bey's decision to establish a court signifies his commitment to ensuring justice is served in these matters.

Osman Bey is captured by Ismihan Sultan, and his escape attempts fail. However, Alaeddin Bey reveals that Osman Bey is in the palace under Sultan Alaeddin's supervision. Osman Bey confronts Sultan Alaeddin, who offers his release if Alaeddin Bey stays with him. Ismihan Sultan plans to seize Yenişehir and creates conflict between Bala Hatun and Malhun Hatun.

Osman Bey receives crucial information from Sultan Mesud about Ismihan Sultan's plans involving a significant seal. To counter her schemes, Osman Bey assigns Bala Hatun to acquire the seal. Sultan Alaeddin issues a death warrant for both Osman Bey and Sultan Mesud, leading to severe injuries for Sultan Mesud. Determined to protect the castles, Osman Bey takes action. Ismihan Sultan manipulates the situation in Yenişehir, worsening the famine, but Malhun Hatun devises plans to counter her.

Osman Bey ends the war between the principalities and sets his sights on Bursa. The Yoruk tribes begin a great migration, possibly signaling the siege of Bursa. While the Kayı tribe celebrates good news, Elçim Hatun feels uneasy, hinting at underlying tensions. A new treason game is being set up within the Kayı tribe, with Elçim Hatun at the center and possible involvement from Holofira. Amidst this turmoil, an assassination attempt is made on Osman Bey, led by Constantine Palealagos, the Bursa commander responsible for Gündüz Bey's death. The success of this assassination attempt remains uncertain.

Olof's personal stake in Yenişehir drives him to take risks, while his lover Frigg poses a threat to Malhun Hatun. In Constantinople, Kantakouzenos involves Ofelia, further complicating matters. Osman Bey takes on the responsibility of confronting and resolving the chaos, arranging a meeting with Olof in the arena.

Osman Bey establishes his headquarters in Yenişehir, acting on crucial information from his spy in Constantinople. He faces threats from Northern warriors Olof and Frigg. Bala Hatun and Malhun Hatun prepare for a market in Yenişehir, leading to tensions between Bengi Hatun and Malhun Hatun. The competition between Aktemur and Alçiçek adds to the growing tension.

Ismihan Sultan captures Sheikh Edebali and uses him as bait to trap Bala Hatun in Marmaracik Fortress. Osman Bey confronts Olof and Ismihan Sultan when he attempts to rescue them. Ismihan Sultan is determined to achieve her goals and demands the presence of Sultan Mesud to spare their lives. In the meantime, a contagious disease spreads in Sogut, causing concern. Malhun Hatun and Kumral Abdal face unexpected danger while searching for a cure. Finding an antidote becomes crucial to save the city from destruction.

As Osman Bey continues to pursue his goal of establishing a state, he finds himself facing formidable adversaries. He not only grapples with enemies disguised as friends within his own ranks but also engages in a battle against the Byzantine Empire on the outside. Osman Bey has set his sights on a specific objective: the conquest of the Marmara Fortress, a crucial step towards gaining control over Bursa and Iznik, and further advancing his ambitions.

Osman Bey and his warriors are trapped by Tekfur Valens, but Bala Hatun arrives to support them. Nayman ambushes Malhun Hatun and Fatma's life is endangered. Tekfur Valens discovers Osman Bey's camp, setting the stage for a fierce confrontation. Osman Bey's united followers are prepared to fight by his side.

Osman Bey fights against a trap and confronts Boran, deciding his fate. Melike Hatun returns to the market, seeking revenge on Alaeddin, Gonca, and the Kayı tribe with a surprising method. Gonca Hatun is captured and brought to her father, standing firm against Yakup Bey. Osman Bey works to find Ahmet's killer and clear Alaeddin, suspecting the real killer will target the trial's Kadi. Osman devises a plan to uncover the truth and protect Kadi from Melike Hatun, who wants him dead.

Osman Bey is determined to capture Mekece Castle, despite opposition from Yakup Bey and İbrahim Bey, who have allied with the Tekfur. Gonca Hatun struggles with the war between Germiyan and Kayı, torn between her love and her ancestral home. Melike Hatun visits Bala Hatun, claiming to unite against enemies, but Bala tests her sincerity due to past agreements with the Tekfurs. Orhan Bey heads to Ulcay's lair, aiming to capture him. Yakup Bey and İbrahim Bey attempt to sway Gündüz Bey to isolate Osman Bey, using a secret advantage. Osman Bey prepares his strategy, ready to confront the two great beys and secure his objectives.

Bala Hatun is kidnapped. Osman is imprisoned in a tent with his hands chained. Learning about Bala Hatun's abduction and outraged Osman's actions surprise everyone.

Osman Bey and his soldiers are trapped in a mine after Olof discovers their hiding place. Their survival is uncertain, causing growing concern. Malhun Hatun urges Bala Hatun and the soldiers to rescue Osman Bey. The main question now is how they will escape the mine and overcome the imminent danger.

Ismihan Sultan opposes Osman Bey's ambitions in Yenişehir. The control of the Marmaracik Citadel is contested. Osman Bey battles self-doubt while planning to conquer Köprühisar. Olof seeks new tactics after losing to Osman Bey. Intrigue and developments continue to unfold.

Osman Bey and his Alps attempt to capture İnegöl castle from Turgut Bey, but face opposition from Turgut Bey, Kantakouzenos, and Ismihan Sultan. Negotiations ensue, with Osman Bey demanding the castles acquired through sacrifice. Olof plans to meet with Ismihan Sultan. Meanwhile, Osman Bey works to install Sultan Mesud on the throne, unaware that Konya has been handed over to a Mongol commander.

Osman Bey plans to mislead İmren Tegin by pretending to conquer Atranos before marching on Kite. Gündüz Bey and Elçim Hatun join him on this mission. There is curiosity about the developing relationship between Malhun Hatun and Elçim Hatun. Meanwhile, İmren Tegin sets a counter-strategy against Osman Bey, learning Gündüz Bey's desire for Orhan and Elçim's marriage and collaborating with Olivia to prevent it. Olivia is expected to stir trouble in Osman Bey's palace. Osman Bey assembles his army for Kite's conquest, aiming to deceive İmren Tegin and succeed in his plan.

Orhan Bey and Elçim Hatun's wedding preparation excites Osman Bey, who also plans to counter the alliance between Yakup Bey and Candaroğlu. Osman Bey seeks allegiance from the principalities, facing Yakup Bey's competition. A new, dangerous enemy appears in Osman Bey's lands. Melike Hatun and İbrahim Bey attend the wedding, causing tension with Bala Hatun and Malhun Hatun. Ahmet, Gonca Hatun's fiancé, presents gifts, observed by Alaeddin Bey, sparking conflict. Osman Bey urges unity against Yakup Bey and Candaroğlu İbrahim Bey, warning that disunity leads to disaster. The future hangs in the balance amidst these conflicts.

Sofia tasks her lover, Kalanoz, to kill Şeyh Edebali but is killed in this attempt by Osman. Bamsı, Osman's loyal companion, converts Salvador to Islam. Salvador's new name is Sıddık.

Seeing Helen and Sofia running down the aisle, Kalanoz went after her, suspecting her murder partner, Sofia, of getting involved in other things. Osman captured Teokles and the front of Theebali was blocked by Akca Dervis, Pehlivan and Zulfikar Dervis. After the trio, Bala Hatun took Osman to Edebali. I wonder what Edebali will tell Osman. What kind of plan will Dundar and Batur plan to plan for Dundar, whose daughter was kidnapped, and Zohre, who saw Osman as responsible for these events? What's the big surprise waiting for Kalanoz, who's going after Sofia and Helen.

Osman Bey remains determined to conquer Köprühisar and is willing to take risks to achieve his goals. However, complications arise in the love story between Aktemur and Alçiçek, as Bayındır becomes an obstacle. Ismihan Sultan grows uneasy about Osman's ongoing conquests. Conflicts and challenges arise as Osman's ambitions clash with the desires of those around him.

Oktem Bey's death brings grief to Yenisehir, but Osman Bey remains resolute. Nayman unexpectedly offers Osman Bey a role as his commander, shocking Ismihan Sultan. Ismihan doubts Osman Bey will accept the offer, while Nayman remains confident. Bengi Hatun is disappointed and disturbed by the possibility of Osman Bey's acceptance and confronts him. Nayman confronts Ismihan Sultan for her actions, but she defends herself by claiming loyalty to Osman Bey. Nayman plans to kidnap Turkmen children to strengthen his control, causing concern for Malhun Hatun and Bala Hatun.

Malhun Hatun is imprisoned for attempting to kill Ismihan Sultan. Osman Bey is determined to rescue her and refuses to leave her behind. Bala Hatun tries to persuade Bengi Hatun to testify truthfully, but it puts Alçiçek's life in danger. Lord Valens is aware of Osman Bey's plan to crown Sultan Mesud, and Ismihan Sultan plots a trap for him. Osman Bey finds himself in a difficult situation, cornered by these circumstances.

Yakup Bey conquered Lefke Castle before Osman Bey and claimed to give it to him, but Osman Bey suspects Yakup Bey's intentions. A new enemy, Master Gera, arrives at the Edges. Disguised as a merchant, he meets Osman Bey, who invites him to Yenişehir. Master Gera's arrival brings chaos, and he plans to kill Boran Bey, Osman's trusted man. Malhun Hatun, aware of Saadet Hatun's grudge, plans a significant move against her. Meanwhile, Orhan Bey, disguised as a Mongol, takes a treasure and shoots Mehmet Bey, leaving his fate uncertain. Finally, Yakup Bey confronts Osman Bey, asking for allegiance one last time, and Osman Bey must decide his response.