A group of twenty-something friends are marooned on an uncharted island after their boat crashes. They quickly become aware they are not alone, as they find themselves being killed off by a group of ancient humanoid creatures.
A gang member, suffering from severe memory loss, searches for his brother's murderer. He secretly enlists the aid of the investigating Detective, while other members of his gang are mysteriously and sadistically murdered.
Something awaits Tyler Jensen and his friends in the Hallettsville house. When Tyler's lifelong friends start dying, he must figure out a way to save himself, his girlfriend and the rest of the crew before the demons come.