It stars Sanjeev Kumar, Jeetendra, Sulakshana Pandit, Neetu Singh in lead roles and music composed by Laxmikant–Pyarelal.
Cruel and lustful Thakur Dayal Singh (Amjad Khan) brutally rapes Sarla (Nazneen), forcing her to commit suicide, gives the blame to his elder brother and kills him.
Sarla's estranged father Lala Kedarnath (Kader Khan) vows to take revenge on Bade Thakur, he shoots him (not knowing that he is already dead) and arrested by the police.
Meanwhile, Munna finds a place in the home and heart of the devout and kind-hearted Sher Khan (Pran), who now calls him Amar.
His duties led him to meet many thieves and criminals, one of whom is the beautiful Soni (Neetu Singh).