A group of unlikely campers goes on a trip to the Adirondacks: Brianne, a petulant teenager, and her young soon-to-be stepmother, are joined by Brianne's mother Valerie and Val's two friends for a weekend in the woods. While the family bickering intensifies, the radio reports of the butchering of an old couple in a cabin miles from civilisation are entirely ignored, the group unaware that the brutal murders have been committed not far from their campsite. The trip takes a sickening turn for the worse when Brianne sneaks away in the dead of night to meet her boyfriend. Now, lost in the woods, they're stumbling straight into danger, and Val is determined to follow...