The story begins on a rainy night when Ilangkumaran and Nallavan escape from somewhere and enter Chennai with their past actions unclear. They settle at Pulikutti's residence and find jobs in a petrol bunk. Bharathi comes into Kumaran's life. Her initial wrong belief about him changes as soon as she knows his kindheartedness. Soon, love blooms between them. Kumaran, along with his friends, starts a venture, which grows fast. This makes Pulikutti give an advertisement in a magazine with their photo. Then comes a group chasing for Kumaran and his friends. Within a few minutes, Pichai, a friend of Kumaran, arrives in Chennai and shares some news. Kumaran's old life is shown in the second half, and it is revealed that he is persuaded to be mentally ill because of his father and stepmother's desire for wealth. The film comes to an end after many interesting twists.