当人类开始探索外太空,他们遭遇到外星生命体,他们全是嗜血成性的家伙,人们将其视为必须消灭的外星害虫。故事讲述了一群追捕嗜血外星体的士兵,在上尉死后,副手召集起这帮不快的队员。不过他们其中的一位队员也是吸血鬼,拥有迟早会派上用场的独一无二的强大力量。In 2210, mankind has explored the space and found a vampiric menace, declaring war against different breeds of vampires some of them inclusive human flesh cannibals. The V-SAN (aka Vampire Sanitation) spaceship leaded by Captain Churchill receives a distress call from an Earth base and his team formed by the vampire Quintana, the rookie officer Damian and the rebels Rosa and Roman seek survivors and vampires and they rescue the scientist Fiona, but Capt. Churchill is captured by the vampires. After their next assignment, the provisional captain Damian and his group disclose that a traitor has disengaged the defense system of the bases and they chase their prime suspect.