Benimadhab (Biswajit Chakraborty), a rich businessman is under the impression that someone is trying to kill him, but is not able to find out who.
While Byomkesh starts investigating (with his sidekick Ajit (Saswata Chatterjee) narrating the events), Benimadhab is murdered.
The inquest into this gruesome act reveals some dark secrets of Benimadhab's family members.
The next installment of this series starring Jisshu Sengupta as Byomkesh Bakshi was released the following year on 16 October.
It is based on Kohen Kobi Kalidas by Sharadindu Bandyopadhyay and titled as Byomkesh Bakshi once again.