Allan is an engineer working in 1930s Calcutta. He is invited to stay with the family of his boss, Narendra Sen which includes his wife, Indira and daughter Gayatri. Gayatri and Allan become romantically involved leading to tragedy.

Kumar promises his dying wife, Suman, that he will take good care of their daughter, Priya. The father-daughter bond is put to the ultimate test after Priya decides to get married and move away.