Inhalt: When an oil rig drills too deep, it unleashes a torrent of nightmares—the creatures of legend, always thought to be figments of our imagination, are now a very real threat to the survival of humankind. But when he kills a seven-foot-tall demon with an axe to the skull, Dave Hooper—a booze-soaked, middle-aged oil-rig safety manager—is transformed into an honest-to-god monster slayer.