In war-torn Balkans, bogus monster hunter Harlan Draka is hired by soldiers who happen to be under attack by an army of actual vampires, uncovering the hidden truth about his past in the process: he is half-human and half-vampire... a Dampyr.

When a down-to-earth Chicago baker and a soon-to-be princess discover they look like twins, they hatch a Christmastime plan to trade places.