Mohan Kumar (Dilip Kumar) is an honest manager who works in the shipping company of his friend Dinesh (Pradeep Kumar) Jigal Kishore, Bhandari and Badwant, who plan to smuggle goods while lying to Dinesh, are on the verge of being sent to jail as Mohan Kumar has found out the truth about them. So they murder Dinesh and implicate Mohan Kumar in his murder. Mohan Kumar, paying the price for his honesty, spends years in jail.
Coming-out, after 14 years he is thirsting for revenge, As luck would have it, his own son Ravi, is hired by the notorious threesome, to kill Mohan Kumar. Will Ravi kill his own father for the money that they offer? Would Mohan Kumar be re-united with his son? What about Mr Puri, whose assistance Mohan Kumar seeks? Would he be able to help him in getting back at these 'enemies of society'?