Vidya Sinha (Vidya Balan) and her daughter Mini live peacefully in the sleepy town of Chandan Nagore. Vidya's life revolves around Mini. Her greatest joys are the little things she does with her daughter like playing little games, going for walks, cleaning the house together etc. However, life has other plans; as Mini is kidnapped and while trying to locate her daughter, Vidya meets with a terrible accident landing her in coma at the hospital. When Inspector Inderjeet Singh (Arjun Rampal) arrives at the hospital in a response to the hit and run case, little does he expect the turn of events. As he investigates, he discovers that Vidya Sinha may not be all she appears. There is a dark past, which is linking her to Durga Rani Singh- a 36-year-old wanted criminal on the run for kidnapping and murder. What follows is an edge of the seat suspense drama where Vidya who lies in a coma is running against time to save her daughter and Inderjeet tries to solve the case of Vidya Sinha's mysterious past.