Gopal, a man from a small town, earns a living in the city by cheating people in all possible ways. He decides to make big money by blackmailing the men involved in a woman's death. What transpires later forms the crux of the story.

Chellaiya is at loggerheads with his uncle Masilamani and his two sons for backstabbing his father. Things take a turn when Chellaiya's brother and his wife grow closer to their uncle's family.