Convinced that his life is in jeopardy, Satyakam, the son of a business magnate hailing from Mussoorie, approaches Byomkesh with a plea for help. The legendary detective soon heads to Mussoorie, where he finds out that the youngsters worst fears have come true. Can Byomkesh unravel the mystery shrouding Satyakam's murder before it is too late?
| Actor | Role |
|---|---|
 Abir ChatterjeeByomkesh Bakshi | Byomkesh Bakshi |
 Arjun ChakrabartySatyakam Das | Satyakam Das |
 Sohini SarkarSatyabati | Satyabati |
 Anjan DuttUshapati | Ushapati |
 Priyanka SarkarEmily | Emily |
 Rahul Arunoday BanerjeeAjit Banerjee | Ajit Banerjee |
 Anindita BoseYoung Suchitra | Young Suchitra |
 Bibriti ChatterjeeMeera | Meera |
 Harsh ChhayaDSP Purandhar Pandey / Pandey ji | DSP Purandhar Pandey / Pandey ji |
 Sauraseni MaitraNot listed | Not listed |
| BBaisakhi MarjitSuchitra / Satyakam's mother | Suchitra / Satyakam's mother |
 Indrasish RoyYoung Ushapoti | Young Ushapoti |
 Joydip KunduNot listed | Not listed |