Following Armageddon, an apocalyptic war, mankind faces yet another menace: vampires. The continuous confrontations between the races have split the world into separate factions. The race of vampires, Methuselah, are affiliated with the New Human Empire; whereas the humans, deemed Terrans by the vampires, make up the Vatican Papal State. Furthermore, extremist groups like the Rosenkreuz Order strive to rekindle a war...