Bandhan Kuchchey Dhaagon Ka is a family romantic drama. The movie revolves around a wealthy business tycoon named Prem Kapoor (Shashi Kapoor), who lives a wealthy lifestyle with his wife Bhavna (Raakhee Gulzar) and two children. However, his life takes a turn, when he learns that a woman from his past, Sneh (Zeenat Aman), bore his son and lives with him in Bombay. Moreover, Sneh is very sick and there might not be anyone to take care of the boy after her. It is then Prem decides to travel to Bombay and take his son under his care. However, he is confronted by a blackmailer, who might tell the truth about his illegitimate affair to his wife. Will Prem be able to hide the truth from wife any longer? How will Bhavna react to all this new disturbing information?