'Byomkesh Phire Elo' is Bengali thriller film based on fictional detective Byomkesh Bakshi, directed by Anjan Dutt. This is the third installment of Byomkesh series by Anjan Dutt, followed by Byomkesh Bakshi and Abar Byomkesh. The film is based on "Beni Sanghar" by Sharadindu Bandyopadhyay. Benimadhab (Biswajit Chakraborty) is an affluent businessman who is under the impression that someone is trying to kill him but doesn't know who. He appoints Byomkesh (Abir Chatterjee) to start investigating with his sidekick Ajit (Saswata Chatterjee) narrating the events. Then Benimadhab is murdered and the inquest into this gruesome act reveals some dark secrets about Benimadhab's family members.