Sivaji Ganesan earns a living driving a truck. He is a rash driver and more than usually also driving while drunk. One night he stops at a prostitute's, spends the night with her, and gets up late the next morning. He rushes out and drives at breakneck speed in thick fog to make up for lost time while again drinking. He inevitably ends up running over and killing a farmer. But despite the opportunity to hit and run, he decides to stay and face the consequences. He is arrested by the police, charged, and brought before the ourts. W Sivaji Ganesan acknowledges his guilt to the Judge (Chittor V. Nagaiah) who in-turn knows that he should send him to prison for two years. But moved by the plight of the farmer's family (which include his widow (Sowcar Janaki), his sister, two young sons; a crippled father (S. V.