The film is about a group of young and inexperienced National Guard trainees, who on their last day stop by an isolated outpost. When they hear a distress call come through on their walkie-talkies, they make their way into the nearby hills, unaware of the ravenous group of mutants that live there.
Dopo il bellissimo film di Aja sarà difficile riuscire a ripetere lo stesso successo....staremo a vedere