Aditya Dhanraj (Dino Morea) and his wife Sanjana Dhanraj (Bipasha Basu) are on the brink of a divorce. They decide to give their marriage one last shot and go back to Ooty - the place where they first fell in love. Ooty and their dream house however turn out to be a nightmare. Their house is haunted. There is someone there, and only Sanjana can feel the presence. There seems to be a link between their crumbling marriage and the haunting. Who is haunting them? Why their house and lives? What is the ‘RAAZ’? Do you want to know the secret?