Haunted 3D is a horror thriller drama. The movie revolves around a man named Rehan (Mahakshay Chakraborty), who travels to Shimla to sell the mansion, Glen Manor. He comes to know that the mansion is haunted. He finds a suicide letter written by Meera Sabharwal (Tia Bajpai) in 1936. He learns the horrifying story of the spirit of a woman trapped in a mansion by another evil spirit. He is taken back to 1936 to help the woman and save her from the evil spirit, thus rewriting history.