After surviving a shark attack a young woman is plagued by nightmares of being stalked in the dark sea by a ravenous predator, and hallucinations of visits from her sister…

A group of college friends discover a 15th century coffin that allows them to experience the world as ghosts. While their first adventures in the spirit world are playful and…

Passengers and crew on a flight are attacked by unseen forces that threaten all aboard.

The patients and staff of a secluded heroin treatment center must do battle with more than their own demons as a mysterious killer begins picking them off one-by-one.