The Choudhury family is in a tailspin with the threat of four more murders looming large. No one is safe and everyone is a suspect. The family is paying the price for whose sin? Is Parboni on a quest to avenge her mysterious past or is a family member behind it all?

Darkness falls upon a 200-year old traditional household Durga Pujo when the priest is murdered. Will the unwelcome guest in the house change everything?

Parboni arrives At the Boikuntho house during Durga Pujo to return something valuable. Will the memories of the past come back to life because of her presence?

Even as Parboni meets her old friend Choton, she is constantly disturbed by her past. But, what family heirloom does she return?

The police come to the Boikuntho house to investigate the priest's murder. Meanwhile, what memories of Parboni's past return to the mentally unwell Choton?

Tragedy befalls Boikuntho house on Ashtami morning, as another dead body is discovered. Is Parboni the reason behind the two deaths?