A much-experienced police detective, Mr. Shabor Dasgupta (Saswata Chatterjee), is assigned to do the task of solving the mystery of the murder of Mitali Ghosh (Swastika Mukherjee), a woman with a messy past, who was killed on the night she had thrown a house party for her close friends and family. Finding the real victim proves to be very difficult for Shabor; he encounters many twists.