The film tells a story during the British Raj in the 1930s in Bengal. Kalyani (Nutan), the daughter of the postmaster (Raja Paranjpe) of the village, falls in love with a freedom fighter, Bikash (Ashok Kumar), who later leaves her in the village promising to come back but never does. She comes to city in search of him and under some consequences, she gets arrested. In the jail Deven (Dharmendra), the jail doctor falls in love with her. Kalyani is not ready for it and starts to stay away from him. He eventually reveals the story of her past and her connection to a freedom fighter. Watch out the full movie to know more.