Sanjana (Tabu) sells her city house and moves to a hill station with her brother Vicky(Imran Khan) and her two small daughters Sasha(Baby Hansika) and Meesha(Baby Bhavika). The house which her real estate agent(Suresh Chatwal) shows her is the house of an NRI who wants to sell it at the earliest. Near the house there is a well which is fully covered with mud, it is believed that during the old days, people who committed sins were killed and thrown down the well. Sanjana is not aware of this.An evil spirit exists near her house,it appears in the form of cold wind. The spirit comes and rapes Sanjana, and she never has any physical proof of that. This film is loosely based on the Hollywood film'the Entity'. Sanjana who is shattered by turn of events takes help of her friend Pooja(Grusha Kapoor) who in turn sends her to a psychiatrist(Shahbaaz Khan). The spirit also harms her kids and one of the kid finally goes missing.The psychiatrist(Shahbaaz Khan) with the help of his friend(Mukesh Tiwari),a Christian priest, come to her rescue. But the spirit doesn't spare them also. Here Sanjana fights with the help of the lucky moments given to her by an old day and rescues her child.