When a ruthless quartet of robbers leaves a trail of bloody slaughter through a small frontier town, the mayor looks to hire a pair of bounty hunters to bring them to justice. But their path is strewn with peril and supernatural terror - an army of enchanted soldiers swarms the road leading to an abandoned castle! If they want to survive the journey, these hunters must enlist the help of the greatest warrior in the world - the vampire hunter known only as D.