Aamir Khan plays an investigation officer, Inspector Shekhawat, who receives a phone call early in the morning informing him about death and an accident and how everything starts to unfold from there. The case turns into a life altering chase for him when he is forced to reel under the repercussions of a broken married life with wife Roshni played by Rani Mukherji and come face to face with his suppressed grief. He then meets a sex worker Rosie played by KareenaKapoor who further adds shades of mystery to the puzzle.
