Devdas, the son of a zamindar, and Parvati, his neighbour's daughter, are childhood sweethearts. However, class and caste differences prevent their marriage. Devdas is sent off to Calcutta, while Paro is married off to an aged rich widower. In Calcutta, as remorse drives him to alcohol, Devdas meets Chandramukhi, a tawaif.

The simple-minded Rajat (Barua) loves neighbour Jayanti (Menaka Devi). He is advised on how to court her by his streetsmart cousin Bishwanath (Sanyal) and Bishwanath's friend Samir (Bannerjee). Bishwanath and Samir try to get Rajat's miserly guardian Bagalcharan (Choudhury) to loan them money so that Samir can make a 'European-style art film'. The guardian is admitted to the clinic of a doctor Gajanan where he falls into the clutches of two professional crooks Natoraj (Indu Mukherjee) and Supta (Molina Devi). Supta wants Rajat and they try to kidnap her...