“There are two kinds of people in this world: those who believe in the existence of inhuman beings… and those who don’t.”
Luis Hartmann lost his father, a detective, to a string of murders, leaving him completely alone in the world. Rumor has it that the crimes were committed by the “Grave-Digging Vampire,” but Luis, who does not believe in superstitions, resolves to catch the culprit with his own hands.
Then appear Arne Nointäter, who calls himself a detective, and his assistant Lin Reinweis.