Amidst the festival chaos, Sakkarai grapples with the mute woman from the crime scene, desperate to uncover her identity. Nandini befriends a powerful inmate, while Malathy voices her mistrust of Inspector Moorthy. As Amman processions flood Kaalipattinam, young women from all walks of life emerge with fierce determination. Sakkarai receives a shocking call that blows the case wide open.

Sakkarai diligently searches for connections among the eight women, and Nandini offers him a promising lead. Sakkarai uncovers Chellappa's fraught relationship with the local private school, revealing a potential motive for its owner, Prayamvata. Just when he thinks he has a handle on the case, Sakkarai receives devastating new information-Chellappa may not be the savior he once believed him to be

Sakkarai fixates on the case and nails Chellappa's killer. With the identity of their demon revealed, the 8 women gear up for revenge, but their demon puts up a formidable fight. Sakkarai goes on an epic chase to save the newly trafficked kids. Just as the festival goers wash away their past, Sakkarai, Nandhini and the 8 women are presented an opportunity to let go of their past and start anew.

Sakkarai learns that Chellappa has been trying to crack and nab the kingpin of the human trafficking ring for the past 10 years. Shared grief brings Sundar and Dhamu closer. A shocking development sends Sakkarai on a time sensitive chase. The 8 women finally reveal their story from the night of the murder. The elusive demon prepares for battle, putting the 8 women in grave danger.

Nandini is on trial for Guna's murder, defended by respected lawyer Chellappa, a father figure to Sakkarai. Chellappa invites Sakkarai to the Ashtakaali festival but is soon found dead in a locked cottage with a missing gun. Sakkarai becomes the investigating officer, creating tension with Inspector Moorthy. In the locked room murder, Sakkarai finds a hidden shocker!

Day 7: Goddess' Dance The families find solace in the memories of their kids. Kothandaraman investigates inside the burnt factory. Sakkarai and Regina fear the worst and she makes a hasty arrest. Through the enquiry, Sakkarai finds out the answer to the question previously posed by Nandini. He is disturbed. The DNA results from the autopsy test are out - Nandini can barely handle the news.

Day 6: Soorai - Food from the Deity's Statue Dark clouds engulf the families of Shanmugam and Regina. The autopsy doctor informs them that there is more than what meets the eye. Kothandaraman suspects the factory maintenance. Sakkarai and Nandini unlock Nila's social media profile. As Sakkarai finds out more about the teens, he feels disillusioned. Nandini asks him a pertinent question.

Day 0: Flag Hoisting Day 1: Procession of the Goddess On the first day of Mayana Kollai festival, Sambaloor town wakes up to the news of a factory fire. Meanwhile, the personal life of the factory’s union leader, Shanmugam, gets complicated. His daughter, Nandini, demands the police’s attention to the matter. Sakkarai, the sub-inspector, gives a cocky response.

Day 4: Immersion of the Goddess Sakkarai and Nandini reach just in time. A charming love story, set against a tense rivalry, unfolds. Regina and Shanmugam go through a gamut of emotions as they discover the recent past of the children's lives. Sakkarai and Nandini share the difference in their perspectives of the town. The locals toss a big yellow head of the previous year’s idol into the lake.

Day 2: Street play Inspector Regina, on realizing the gravity of Shanmugam’s personal problem, springs into action. Kothandaraman, a fire specialist, arrives at the site to draft a fire report for the insurance company. As day two of the Mayana Kollai festival unfolds, Sakkarai goes looking for clues. With Nandini’s help, he gets a critical tip that sends shockwaves by introducing a new suspect.