A group of strangers get together at Ananya Homestay, surrounded by the mysterious silence of the mountains. When one of them is murdered, they confront each other's secrets and motives and uncover the truth before the killer strikes again

Shantanu, a young CBI investigator, is handed the case of flight A0 26, which has gone missing with 8 delegates in it, after the take-off from Kolkata. It seems like an open and shut case when CBI receives the information of a plane crash that has simultaneously taken place in the hills of Neora Valley, West Bengal.