When Bijolibala meets with an accident, Hasi volunteers to donate blood to her. Bijolibala gets discharged but is advised complete bed rest. Soon, Hasi's dedication and warm presence soothes Bijolibala’s mind. When Hasi dies of cancer, Hasi's child Bhutu finds a new mother in Bijolibala. The twist in the tale comes when a sudden letter reveals that Hasi was originally Hasina, a Muslim who after her marriage chose to spend rest of her life as a Brahmin. Bijolibala is now faced with a spiritual dilemma.