Twenty-five-year-old Caroline Ellis ( Kate Hudson ) is a strong-willed young girl. When she was an agent of a rock band, she was busy with work and ignored her upcoming The father who passed away, so in order to compensate for the lack of treatment of her father in the past, and to comfort her soul, she found a job: an old woman hired her to take care of her sick and frail husband, she became a A young private nurse. The couple are the owners of an old house. It took more than an hour to drive from New Orleans to the Louisiana Triangle where the house is located-an area famous for its mysterious customs and religious ceremonies. This big dilapidated house is the home of Violet and Ben Devriocks (Gina Rowlandes and John Vincent Hurt), both of whom were born and raised in the South. Whether it is this old mansion or its owner, it seems to carry a mysterious and gloomy history. Gradually, as Caroline's life in this huge building lengthened, she gradually began to discover that some amazing and strange phenomena were constantly occurring. So Caroline, besides carefully taking care of Ben's living room who was paralyzed in bed, also had doubts about Violet and the house. Ben can only lie in bed all day, can't talk, can't move. And the old woman who invited her here is very strange every day, and her attitude towards her and Ben is extremely cold, and the ancient house in the deep forest where she lives is even more gloomy. Everything here makes Caroline feel suspicious, so she is determined to personally solve the mysterious inside story hidden behind this ancient house.
By chance, Caroline got a The Skeleton Key from Violet. With this key, you can open all the rooms in the building, but Violet did not allow Caroline to enter the one hidden on the top floor. s room. Unable to resist the temptation of her curiosity, Caroline still walked into this cursed room. A terrible sight appeared, with human hair, blood plasma, bones and limbs everywhere, and a talking violet flower in the attic. She tells Caroline that there is a huge secret in the innermost secret room of the attic. Only by unlocking the seal of the secret room can he rescue Ben who accidentally broke into the secret room. And now, Caroline has also been included in the list of ghosts "invasion". Although Violet claimed that she never went to that room, Caroline could clearly feel that Violet was the one who used Witchcraft in that room , and that her husband’s illness was caused by these Witchcraft.
Inexplicable things happened one after another, and Caroline made up her mind to uncover these secrets and get rid of Witchcraft. In order to save Ben, save herself, and to unlock this terrible spell, Caroline is determined to open the cursed door again with the key in her hand. The Skeleton Key in her hand will bring Caroline luck. Or is it evil?
