The murder of Mitali Ghosh (Swastika Mukherjee) under absolutely normal circumstances brings in Shabor Dasgupta (Saswata Chatterjee) to decipher the real abnormalities behind the crime.
An ex husband, an ex lover, a friend turned admirer and a cousin – every relation to Mitali and every circumstance that she has been through come under the scanner. As suspects line up, the detective's keen investigative skills help him unravel the circumstances that led to Mitali's untimely demise. Pages from her diary help him understand the victim and provides him with key clues that lead him ever closer to unravelling the mystery and exposing the murderer. Will Dasgupta succeed in bringing the killer to justice?