The young girl Caroline (Kate Hudson) is employed by the old woman Violet (Gena Rowlands) to go to her home to take care of her bedridden husband Ben (John Hurt). Violet's big house is located in an area famous for mysterious customs and religious ceremonies. Caroline felt eerie and strange when she first arrived here. As the days passed, Caroline gradually became suspicious of this big house and the weird Violet. By chance, she got a master key from Violet, which can be used to open all the rooms in this big house. When Caroline walked into the room hidden on the top floor, she saw a terrifying scene. Her intuition told her that Ben's bedriddenness had a lot to do with Violet and this room. She was determined to uncover this mystery!