After their car breaks down in an eerie small town, a young couple is forced to spend the night in a remote cabin. Panic ensues as they are terrorized by three masked strangers who strike with no mercy and seemingly no motive.

Liberty, a socially awkward 16-year-old, returns from two months at camp to a blindsided introduction of her mother’s fiancé, John Smith, whose charm, intelligence, and beauty paint the picture of a man too perfect to be human.