Kaali and his sister Seeta live in a shanty house. Kaali is an assistant to Engineer Vinay. Seeta's friend Mangala falls in love with Kali and they gets married. When Kali meets with an accident and loses his left hand he blames Vinay for the accident. Vinay has fallen in love with Seeta, but Kaali is against their relationship. How the brother-sister love trumps this resentment forms the rest of the story.