On one side of Kolkata, the fires of the separatist procession, on the other, the lives of some innocent people disappearing into the unknown darkness. This story begins at that time. A bloody crossfire in Shyambazar changes the quiet and peaceful life of Arindam Chatterjee in an instant. His wife Priya is killed, and his five-year-old son Aarav is missing. How? It is at this time that Turya Bhattacharya enters. A private investigator who is sinking into the trap of unemployment day after day. Little does he know that this investigation will become the most difficult, dangerous and devastating experience of his life. Going in search of the missing Aarav, Turya discovers that this case is not just a case of disappearance. There is a monstrous game of political power hidden there. Will Turya be able to reach the truth? Is the missing child Aarav still alive? Who is writing this bloody history behind the lights and shadows of this city? A political thriller, where tension, emotion, mystery and danger are woven into the same thread.