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When a Police inspector is killed by a band of thugs, his grieving father Samsher Singh seeks justice. Pratap Singh has left behind a pregnant widow, who dies in chidbirth, leaving Samsher to bring up the child Kunal. The transformation of Samsher Singh (a locomotive engine driver) into Sobhraj, multi millionaire and owner of a vast network of business. Kunal is brought up by Abu Baba, a servant of Sobhraj to be honest, upright, and very independent minded. Durga, the daughter of a former employee of Sobhraj, who is serving time and Kunal fall in love. This not acceptable to his grandfather, though Abu Baba approves of the relationship. Disaster strikes when an attempt is made to separate the lovers. The life of Samsher Singh alias Sobhraj begins to unravel from here. How Kunal's ethical upbringing by his foster-father, and his financial and business circumstances of his grandfather meet in a titanic conscience clash and how he resolves matters is at the nexus of the plot.
