Halloween Eve. With fear written in his eyes and warm blood running down his naked shoulder, Joshua tries to escape from the clutches of a mysterious, monstrous entity hot on his trail. And as the hunted man crosses paths with unsuspecting Ariel, a frenzied, white-knuckle chase across the North American desert begins. Now, pursued by an unstoppable truck and a formidable supernatural force, the shocking, centuries-old enigma of a shadowy occultist is about to unfold. But who is the sinister stalker?