The film starts with an orphaned boy, Sathya, getting framed by the employer for the murder of his wife and is sent to juvenile. He befriends the warden who helps him secure the sub inspector job.
Sathya remembers what his warden taught him and stays honest in his profession. Unlike the other policemen at his station, he refuses to be involved in bribes and is made an outcast. One day, Sathya helps a writer who is beaten by his corrupt inspector, Gunasekaran. Thinking that Sathya is trying to become a hero by making him look bad, the inspector plans to shame Sathya. The inspector then arranges for Sathya to shadow a dangerous gangster. While shadowing the gangster, he loses his gun fully loaded with 8 bullets. The inspector gives him one day to find his lost gun or face disciplinary action.