The monstrous vampire Marco is determined to raise his beloved Katrina from the dead. But in order to do so, he needs to transplant the heart of her living sister, Charito, the sweetest, loveliest girl in the village. Unleashing his murderous giant bat and his evil minions, Marco spreads terror and death through the community as he attempts to abduct the innocent girl. But a priest, a detective, and Charito's friends risk their lives in a desperate attempt to save her from Marco's hideous surgery.