A grumpy boxing coach takes on a young, rebellious woman under his wings and starts training her for the world championship. But their biggest battle has to be fought outside the ring.

Samy and Karuna grow up together in the slums of Royapuram. One day, they witness the brutal murder of their teacher by a gangster. While Karuna manages to kill the gangster, Samy tells to the cops that Karuna was responsible for the murder.