An agoraphobic inherits her father's house in a remote part of the Florida Keys. When weird things start happening, she discovers that there's something far more terrifying trapped inside the house with her.
Jacob is a troubled soul and when his friends pull a prank on him in the very place his father was killed, he snaps, grabs an ax and hunts them down like animals. Trapped inside, they must fight for their lives from this disturbed ax-wielding maniac.