The story is of a middle-class family struggling financially. The family consists of two sisters, mother and father. Prosenjit Chatterjee as a Rana is the main and a promising character. He is a daredevil and a terrific fighter against injustice. Once, he was travelling with his pregnant sister in a train, he begged everybody for a seat for his sister, but no one paid heed. There were some burglars in the train who started looting, but Rana saved it from happening. By this act, he was given the job of a police officer. In Rana's area of jurisdiction, there lived an MLA name Bikas. He was a very corrupt politician and indulged in illegal activities. There lived another man Azad who fought against injustice everywhere. Now this minister's girl Jaya, fell in love with Rana. Once, it so happened that while Rana's sister was about to give birth to her child, this minister, Bikas, tried to kill Rana, but his sister was injured and ultimately died. Then Rana decided to take revenge but was initially not allowed to do so. Ultimately MLA Bikas's real character was revealed, and in a serious fighting with Rana, MLA Bikas dies.
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