After the marriage of her niece, an Anglo-Indian school-teacher, Violet Stoneham, lives a lonely life in her single room flat located at 36 Chowringhee Lane in Calcutta. When a former student starts visiting her with her boyfriend, Violet welcomes them eagerly.
A railway employee, Kalicharan, would like Usha, the Station Master of Rangpur Railway Station's daughter, to get married to Niranjan, the DTS of Indian Railways, but Usha has fallen in love with Arun, a Guard with the Railway, wants to marry him, and refuses to marry Niranjan, who is twice as old...