The police chief of a small town begins an investigation after a young woman, who was supposed to have died several months previously, starts appearing around town just before her parents are found mysteriously dead.

Based on a true story, this tells the story of a young woman who is the only survivor of a plane crash in the Sierra Nevada mountains, and her struggle to get to safety despite her injuries, below-freezing temperatures and rough, and at times impassable, terrain.

A family moves into a new home in an isolated area, and soon realizes that someone--or something--doesn't want them there.