Rajni is a big time thief robbing money from the rich. He is capable of opening any lock however big it was. His girlfriend is Madhavi who is a singer and a dancer in a club. One day Rajnikanth get caught by Sivaji who is police officer. He goes to prison for one year.

There he meets Vijaykumar who lost all his wealth by a Sundarsan, who used to be poor but used his brains to make Vijaykumars sister fall for him. Vijaykumar wants Rajni to rob his house where Sundarsan has hidden the money..

This film was a success upon release despite being a high budget film.