Daku Hasina is an action drama. The movie follows the story of a young woman named Roopa (Zeenat Aman), whose parents get killed and she attempts to get justice for them. However, she learns that the culprits have already bought the law and the judgment comes in their favor. She then decides to take the law in her hands to bring justice to her parents. To avenge her parents death, Roopa joins the gang of a dacoit named Mangal Singh (Rajinikanth), and takes the identity of Daku Hasina. Will she finally succeed to set the scores right with the culprits?