The film revolves with the undesirable incedents occurred in princly state Ratnagarh. After the homicide of the king Chandrakanta, one Dr. Palit (Kamal Mitra) requested for assist to at least one Detective Smarajit Sen (Shisir Batabyal), as a household pal. Detective Sen despatched his assistant Bimal to Ratnagarh to research and confirm the safety of younger Kumar Bahadur, new predecessors of the royal household of the property. They noticed {that a} mysterious girl Manjusri (Manju De) sing uncanny track within the adjoining water physique close to the palace. Mr Gupta (Bikash Roy), a suspicious botanist stayed within the neighbourhood additionally roamed in that locality. It revealed that he was disadvantaged of actual property of the royal household and took revenge by killing the family members. He used one deaf and dumb porter as a employed killer. In the end he has been killed by the detective on the finish earlier than he may commit one other homicide.
