In a world where vampires ruled the world instead. Humans are treated to as a second class citizens, pets or personal property There are the Ventrues who are the rich and classy the Avions who are the more wild and not caring and the Avians who are the weakest but are more kind. Then there's the very rare kind of Vamps Roya Vamps they can use any ability they want that the other three kinds have. They are usually more sadistic and stern