The plot begins with a simple missing person case—the father of Ajit (Anand Tiwari)—but quickly spirals into a massive conspiracy involving international drug trade and political espionage.
The film's strongest asset is its production design. Calcutta is depicted as a character in its own right—dark, damp, and dangerous, filled with opium dens and political intrigue.
as Ajit Bandyopadhyay: Byomkesh's sidekick and the narrator of his adventures.