As Byomkesh Bakshi tries to solve a murder mystery, a myth of a buried treasure at the fort surfaces following a bizarre series of deaths. How does BB demystify the case? Adaptation of the adventure detective novel written in 1952 by Sharadindu Bandyopadhyay.
| Production | Dev | Producer |
| Production | Shyam Sundar Dey | Producer |
| Writing | Sharadindu Bandyopadhyay | Novel |
| Directing | Birsa Dasgupta | Director |
| Production | Tanmoy Banerjee | Producer |
| Camera | Subhankar Bhar | Director of Photography |
| Editing | Sumit Chowdhury | Editor |
| Art | Mridul Baidya | Art Direction |
| Costume & Make-Up | Somnath Kundu | Makeup & Hair |
| Costume & Make-Up | Jayanti Sen | Costume Design |
| Writing | Subhendu Dasmunshi | Screenplay |
| Sound | Diptarka Bose | Music |