The three Winters siblings settle into the enigmatic house they inherited after a horrific event in 1977. They quickly learn that the mansion has sinister secrets that pose a danger to all they value. They look for rational solutions but are unsuccessful since they are certain that the weird events are the result of trauma. As the supernatural powers become dangerous to their lives, they turn to a parapsychologist for assistance. Will they be able to survive the dark creatures as the time runs out?