Byomkesh discovers a letter that Rameshwar sent to a man named Bishu, with a strange message. Is there a mysterious connection between Rameshwar and Bishu?

• Soumik Chattopadhyay
• Sayantan Ghoshal
• Sayantan Ghosal

• Subrat Dutta
• Anirban Bhattacharya
• Ridhima Ghosh