When a street drug turns junkies into an army of zombies, a man named Hunter finds himself with nothing but a beat-up car and a trunk full of guns and booze, until he stumbles across a small band of survivors.

Faced with extinction, two park rangers are forced to defend the national park against hordes of rampaging orcs. Ancient and long forgotten, these orcs are unleashed from the depths of the mountains, and they won't stop until we're all dead.