On Christmas Eve, ten stranger board a bus traveling across Texas. Far out in the wilds they collide with a meth-addicted biker. Forced off the road by other member of the gang, the passenger take refuge in the hell hole of an abandoned scrap yard. They use improvised weapon and sheer guts to mount a defene againt the murderous biker but, as their number dwindle, they realize that their survival depends on doing the unthinkable. They must go on the offenive.