The film starts with the hint of another story 'Satyanweshi' where young Byomkesh caught the head of a cocaine racket who is now seeking revenge. On the other hand, a young girl dies in mysterious condition having a match stick in her hand. One Kokonad Gupta, who claims to be a fan of Byomkesh gifts him a matchbox.
| Actor | Role |
|---|---|
 Jisshu SenguptaByomkesh Bakshi | Byomkesh Bakshi |
 Saswata ChatterjeeAjit Bandyopadhyay | Ajit Bandyopadhyay |
 Ushasie ChakrabortySatyavathi | Satyavathi |
 Swastika MukherjeeNot listed | Not listed |
 Anjan DuttKokonad Gupta | Kokonad Gupta |
 Ankitaa ChakrabortyNot listed | Not listed |
 Debdut GhoshNot listed | Not listed |
 Suprobhat DasNot listed | Not listed |
 Sumanta MukherjeeNot listed | Not listed |
 Soumendra BhattacharyaNot listed | Not listed |
 Aritra SenguptaNot listed | Not listed |