Matt Cahill is part of a team of smokejumpers who are dropped into the heart of a raging forest fire that is fueled by a flamethrower-wielding madman under the sway of Mr. Dark. Almost every living thing in this hellacious , including Matt’s fellow firefighters, are falling prey to Mr. Dark’s evil touch and bowing to his furious command: Matt is tracking a blood-sucking, shape-shifting killer through the icy Cascade Mountains when he encounters a mysterious woman who is on the same corpse-strewn trail...but who has a terrifying secret of her own...and an unspeakable lust for . In the blasted hell of the Arizona desert, Matt hitches a ride with a young couple who meets a terrible fate that he’s powerless to stop. The bloody encounter leads him to a deadly stranger who may know why Matt became part of . But first they must survive in an unforgiving wasteland to do battle with a gang of heavily-armed smugglers who trade in human flesh.