Satya (Narain) and Kiruba (Ajmal Ameer) are close friends living in the same neighbourhood. Satya is rowdy, wasting his time drinking merrily and getting involved in fights. Though he and Kiruba passed college with a first class degree, Satya has no interest in joining the police force like his father. Kiruba studies hard to become a Sub-Inspector, challenging Satya to do the same., Satya decides to take up the exam as well and with the help of malpractices and influence from his uncle, he becomes an SI. However, Kiruba doesn't make it through despite being honest - this creates a rift between the two. Satya finds Kiruba is a changed man, and finds him in the local bar, having become a drunkard. Parallel runs the story of Daya (Prasanna) and Loganathan (Pandiarajan), who extort money from businessmen through kidnappings. Before Satya became a policeman, he beat up Daya for molesting Kiruba's sister, though noone including Kiruba know of this. In a surprising subsequentturn of events, the gang of Daya and Loganathan will meet Satya and Kiruba in different circumstances, and a dramatic climax ensues.