Kalo Chhaya

The story follows Mr. Surajit Roy, a detective who initially declines a proposal to steal a will from a landlord's residence. However, when a telegram reveals that Rajib Lochan Choudhury, a zamindar, is in danger, Surajit finds himself drawn into a web of deceit and murder. Upon arriving at the zamindar's home, he discovers that Rajib Lochan has already been killed.

As Surajit conducts his investigation, he encounters various characters, including a nurse named Anima, who had previously approached him about the theft. The film unfolds as Surajit navigates through a house filled with relatives and servants, each hiding secrets that complicate the case. The plot's tension builds as he works to uncover the truth behind the zamindar's murder, leading to a dramatic conclusion that reveals the real culprit.