Multi-millionaire Balwant Rai is a widower who lives with his daughter Uma and a school going son Amar. Since Uma is of marriage-able age, Balwant decides to get her marry to Sunderlall's son Raghuveer and they all move in to live with Balwant at his estate. In order to take cover of Balwant's entire property Sunderlall and Raghuveer first have him killed, locked up Uma in a den and attempt to kill Amar who is saved by a village boy named Mangal.
Years later Mangal and Amar have now matured, and Amar has decided to make his friend Mangal the managing director of the entire Rai group of industries much to the disappointment of Sunderlall who has all time been the M.D of Rai industries. All is well until Managal is framed for the rape and murder of a prostitute and Amar is attacked with a deadly weapon. Sunderlal and Raghuveer won't rest until they usurp the entire Rai's property and do away with all its family members