
CBI 5: The Brain
A series of murders is happening in the city. With the police failing to solve the case, a team of CBI Officers under CBI officer Sethurama Iyer take up the investigation to resolve the mystery.

Purampokku
The film begins with a narration on how India has been turned into a landfill site for domestic and foreign countries, with the countries dumping even ammunition waste onto Indian soil. In Delhi, Balusamy, aka Balu (Arya), a communist leader, is convicted by the court on counts of robbery, murder and treason is given death sentence. Despite Balu’s request to execute him as a martyr by shooting, the court orders that he be hanged within a month’s time by a professional executioner or hangman. He is escorted to a high security prison complex in Chennai by Macaulay (Shaam), an honest, law abiding police officer who is given the charge of monitoring him until his execution. The prison provides freedom to all prisoners, including Balu, to do whatever they want, as long as they do not cause unrest. Balu is instantly admired by the inmates for his patriotism and philosophy as well as his empathy with the inmates. They view him as a spokesperson to the prison officials on behalf of them.

Imaikkaa Nodigal
A serial killer (Anurag Kashyap) disrupts peace in Bengaluru by kidnapping. He goes by the name of the highly notorious serial killer Rudra, who was announced dead five years ago. After another such case, in which the CBI are involved headed by Anjali (Nayanthara), he goes live and declares himself as the deceased Rudra. He insists that Rudra is still alive and announces that he is now back in action. Anjali, who dealt with the earlier case of Rudra, is appointed to deal with him.
In a parallel storyline, Anjali’s brother Arjun (Atharvaa) is facing a rough phase in his relationship. The film flashes back to his life with his lover Krithika Rao (Raashi Khanna) and how they eventually break up. To make it up to her, he, with his friend Vinoth (Ramesh Thilak), travels to Bangalore to meet her and enters the deadly scene between Rudra and Anjali. The cat-and-mouse game gets too intense when Rudra brings Arjun into the game by kidnapping Krithika and demanding a ransom from her father. In an effort to save Krithika, Arjun follows Rudra’s orders and gets framed as “Rudra”, making things much more complicated for him. Anjali is suspended, and Officer Narayan (Devan) takes over the case.

Out of Death
A corrupt Sheriff’s department in a rural mountain town comes undone when an unintended witness throws a wrench into their shady operation.

Echarikkai Idhu Manithargal Nadamadum Idam
A young man recently released from prison teams up with his uncle to kidnap a wealthy girl, but things take an unexpected turn when her father launches his own investigation into the matter.