After inspector Mahendra Nath is killed by criminal elements; his son Vijay takes admission as deputy jailer with the intention of reforming criminals so that he can fade way crime from his country. He is shocked to meet one of his truck-driver friend, Shambu who now turn an inmate with a record of going in-and-out of jail often. Vijay then vows to investigate as to how the kind-hearted man he know become a hardcore criminal.