Rani Maa's husband was killed on the orders of Man Singh, the Prime Minister of a neighboring kingdom. The Prime Minister, in turn, blames his king, the father of the beautiful Rajkumari, for the crime. Rani Maa vows to avenge her husband's death. Man Singh has a twin brother, Surjan Singh, who is not evil and is somewhat naive. Rani Maa is shocked and dismayed when she learns that her only son, Rajkumar, is in love with Rajkumari. She strongly opposes the marriage, but Rajkumar will stop at nothing to marry his beloved. How can they be related to the people who killed their husband and father?