The ageing wrestler Sultan Ali Khan decides to try his luck on the mat again; to do this, he wants to represent his country at the Olympic Games, but first has to overcome personal issues.

Pettaikaaran is famous in his town for an impeccable track record of successes in rooster fights. When one of his aides, Karuppu, goes against his word in a fight, it leads to an enmity between them.

Udhayakumar and Vasanthi are collegemates and they fall in love. But soon he comes to know that she is engaged to be married. After he moves to Chennai and finds a job as a reporter at a magazine. He tries to fight for social change. In the process , he unknowingly gets to know a group of unsavoury characters who promise to help him in his goals. They frame him up. One day Udhaya is arrested for a crime involving a terrorist plot which he is not responsible. The movie is about how Vasanthi fights to prove his innocence and to get him out from behind bars.