Vignesh Shivan has scary dreams that bother him a lot. However, the strange things in his dreams make him worry and affect his mind.

Honest and upright, Inspector Arjun is very different from his happy-go-lucky younger brother Ajit. Their relationship hits rocky ground after Ajit is accused of murder.

Sharda Yadav, a widow, lives with her two sons, Krishna and Arjun. Arjun is studying in Mumbai when he hears that his mother has passed away and Krishna has been arrested for raping a widow.

Vijay, a young man, resorts to gambling in order to free his lover, Anita, who is held captive by Sanga. He soon runs out of luck when he gets arrested.

Sanjay gets visions and sees his past life where his name was Shantanu. His life turns upside down when, on a visit to a village, he meets Sonia, who resembles Lachi from his visions.

A man is falsely accused of his wife's murder and imprisoned. When he sets out to seek revenge, he finds a police officer on his trail who turns out to be his own son.

Inspector Dev Kumar has to choose between arresting his childhood friend Guru's father, who is a notorious criminal, and his integrity.