A New York University professor returns from a rescue mission to the Amazon rainforest with the footage shot by a lost team of documentarians who were making a film about the area's local cannibal tribes.

After being hypnotized by his sister-in-law, Tom Witzky begins seeing haunting visions of a girl's ghost and a mystery begins to unfold around her.

Dr. David Marrow invites three distinct individuals to the eerie and isolated Hill House to be subjects for a sleep disorder study. The unfortunate guests discover that Marrow is far more interested in the sinister mansion itself — and they soon see the true nature of its horror.

Dr. John Markway recruits three strangers for a sleep-disorder study at the eerie and isolated Hill House. It soon becomes clear his real interest lies in the mansion itself and its sinister history, as they are forced to confront the nature of its horror…

Hoping to find a sense of connection to her late mother, Gorgeous takes a trip with her friends to visit her aunt's ancestral house in the countryside. The girls soon discover that there is more to the old house than meets the eye.