Min Do Hyuk corners Matthew and exposes the truth behind all his evil deeds in front of the press as his final blow. With no way to escape the accusations, Matthew takes matters into his own hands, creating carnage. Meanwhile, Mo Ne turns herself in as Chan Sung's murderer, and the prosecution goes after Matthew.

After rescuing No Han Na, Min Do Hyuk's plan to ensure her safety has Matthew scrambling to find her. The whole country watches as the remaining time runs out. Matthew accuses Mone of working with Min Do Hyuk but gives her a chance to prove her life is worth keeping. Meanwhile, Hwang Chan Sung watches Mone closely with a helping hand.

The six that held hands with K, the absolute evil, for survival at the crossroads of good and evil live lavish lives in return for Min Do Hyuk's betrayal. However, they are slaves to K and have lost their freedom. Meanwhile, Min Do Hyuk opens his eyes out of a coma he fell into from the explosion he suffered on the rooftop.

Matthew tries to stop Min Do Hyuk's press conference, but it's too late. However, he doesn't give up. Meanwhile, the reporters agree to reveal the evil deeds that stemmed from the Bobble incident and promise to expose Matthew's true identity. Later, Min Do Hyuk becomes Sungchan Group's chairman and reveals himself as Chairman Sim's biological heir.

Min Do Hyuk removes his mask and shows himself to Sim Jun Seok, who can't believe he is alive. He is furious that Do Hyuk's trickery got him to clear the charges against him, and he gathers everyone to uncover the traitor. However, Do Hyuk makes his move by winning the hearts of the public, who go crazy over him and his story.

After encountering peril and beating death, the seven people who managed to escape the island alive struggle to stay out of facing trouble with the law. However, all seven of them find a threatening message in their room that shocks them. Meanwhile, Matthew Lee appears just in the nick of time to help the seven survivors with the police investigation.

The seven criminals find Ji-a's dead body at her place and straight away realize K is behind it. While they are in panic, Jin-mo gets a phone call from K. Meanwhile, Matthew decides to take everything away from those seven criminals and reveal their crimes to the public, one by one.

Despite Mo Ne's involvement in Da Mi's death, Ki Tak saves her from Chan Sung's wrath and keeps her out of harm's way. However, Ki Tak gets taken hostage by Matthew as she makes her getaway. Upon discovery of Chan Sung's murder, Matthew gets the upper hand by framing Do Hyuk as the murderer and destroys his plan. Meanwhile, Myoung Ji recovers and plots her revenge.

Do Hyuk pushes forward with his plans to expose Matthew and starts by releasing S-CURI, an app that safeguards users' secret chats from being spied on. Matthew pours all his effort and money into proving his identity as Lee Hwi So. Meanwhile, Mone works with Do Hyuk to turn Chan Sung against Matthew.

After leaving a letter for Ki Tak, Geum La Hui starts the game of survival that she plans to broadcast live over Save's network. However, Chan Sung has plans of his own and takes advantage. Meanwhile, Ki Tak races to stop La Hui and save Do Hyuk after he reads La Hui's letter of regret.

Chairman Sim holds a press conference and reveals the truth about Sim Jun Seok. La Hui plans to team up with Ju Ran in order to get away with the life-or-death situation. Meanwhile, K finds out Do Hyuk's hideout through Mone and creates the last escape game just for the seven sinners.

Do-hyuk thinks Ki-tak betrayed him and Matthew without realizing that Matthew was behind everything. Matthew lies to Do-hyuk that Ki-tak is dead when, in fact, he was holding Ki-tak captive. Matthew, who revealed himself as K to Ki-tak, tortures Ki-tak to find out where Chairman Bang’s money is. Meanwhile, Jin-mo reveals to Matthew that K’s child is alive.

After the TIKITAKA Signing and Inauguration, Matthew hosts a party to celebrate and invites those seven survivors to his home. Meanwhile, Matthew manages to bring Mo-ne's family back to Seoul, and Ji-a threatens Mo-ne about Sim Jun-seok.

Chairman Sim of Sungchan Group notices TIKITAKA has been challenging him from the beginning. Chairman Sim looks into Matthew and Do-hyuk to fight them back. Meanwhile, Matthew and Do-hyuk are suspicious of Ki-tak and are confused about which side he is on.

Da-mi, a young high school student with a heart condition, leaves her adoptive parents to live with Geum Ra-hui, her biological mother. When Da-mi arrives at Ra-hui's place, she is overwhelmed by her riches. However, she soon starts to wonder if her mother's intentions are genuine after an incident with her affluent grandfather.

The seven people find out Matthew is Hwi-so, and Do-hyuk has been helping him all this time. He plans to use the seven people as his pawns to fight K and Sungchan Group. He lets them choose whether to die in K's hands or gain the chance to make amends by standing on his side.

The Seoul mayor by-elections are nearing, but Yang Jin Mo trails behind in his campaign. Luckily, Hwang Chan Sung lends his help for something in return. Meanwhile, Mo Ne succumbs to Chan Sung to locate her mother, who she thought was dead, and Do Hyuk reclaims Sungchan Group to take on TIKITAKA and Save.

After a humiliating incident at her new school, Da-mi faints in front of Chil-sung's house. Meanwhile, Mo-ne attracts the attention of multiple entertainment agencies after a stunning audition, including La-hui. However, a rumor surfaces online that could potentially destroy everything she has worked for.

Matthew threatens Jin-mo that he’ll kill Paeng-hee if Do-hyuk ever finds out that he’s K. Do-hyuk barges into Sungchan to find out where Ki-tak went, and he ends up hurting Mo-ne who was there to see the chairman Sim. Meanwhile, another mission is given to them, and this time, they must steal the paintings from Sungchan Gallery.

After the wedding, Mo Ne can't believe what she discovers at Chan Sung's house and hopes she can save her mother. However, she can only succumb to Chan Sung's demands and rely on Min Hyuk with a plan. With Han Na in Chan Sung's hands, Jin Mo seeks help from Min Hyuk and twists Matthew's plans. Meanwhile, Min Hyuk uses Ju Ran and Chul Woo to turn Matthew and Chan Sung against each other.