A father grieving his late wife joins a team of journalists investigating a series of interconnected murders.

Muruganandam, a constable and laththi specialist, happens to face the wrath of a notorious gangster and his son. Little did he know that this would put his 10-year-old son's life in trouble.

Tricked by a fraudster, Ajay and Anjali are forced to stay in the same flat. They gradually warm up to each other and start getting romantic notions but the arrival of Deepak, Anjali's fiance, puts them in a dilemma.

A group of immigrants (Pandi, Murugan, Afsal and Kumar) are detained by the local state police, tortured and forced to admit to a crime they have no knowledge of. When all hope seems to be lost, a policeman from their hometown speaks on their behalf at the court hearing, setting them free. The policeman asks for a return favor and the boys oblige, oblivious to the ill fate that awaits them. As they unwittingly bear witness to a political treason, the system seeks to silence them, at any cost. But Pandi is determined to be heard.

As a blind librarian, dispirited cricketer and desolate psychiatrist each seek retribution and release, their lives overlap under eerie influences.