In a heritage hotel a wealthy ailing man, Sampat, assembles his relatives. He announces that his property, including a 690-carat diamond will be given to the one who finds the diamond on the basis of clues hidden in their rooms. During the search relatives start getting killed.Cops realize that the whole game was started by Sampat but soon it got out of his hands and someone else is now calling the shots. Sunny Leone plays the character of Raagini and records crucial evidence.