Cop Arthur is executed by a gang who kill his pregnant wife. A red bat bites him—he rises as a vampire. Seeking revenge on boss Omi, Arthur clashes with him. Omi gets silver dust, a silver gun, and holy water from a Black Witch. Arthur nearly dies but is saved by Officer Rosa—granddaughter of a White Witch and a werewolf. With Rosa's help, Arthur kills Omi. Omi reveals the real mastermind: mad scientist Lucio, an artificial vampire who wants a world full of vampires.