A lady visited Mr. Surajit Roy, a detective, with a proposal to steal a will from a landlord's house. Surajit did not accept the assignment. Soon after, he received a telegram from one Rajib Lochan Choudhury, zamindar of a remote village in Murshidabad district. It appeared that Rajib Lochan's life was in danger. When Surajit visited his house the zamindar had already been murdered. Detective Surajit started an investigation while staying at the house. He saw a nurse, Anima, appointed for Rajib Lochan and recalled that this lady went to him with the proposal of theft. There were several relatives and servants in the house but most of them concealed some or other facts from him. Finally, Surajit was successful in tracking down the real culprit