尼曼博士和他的助手丹尼尔从狱中逃脱,立志重现法兰克斯坦博士的邪恶实验,并利用吸血鬼和狼人来报复加害他坐牢的仇家。After escaping from an asylum the mad Dr. Niemann and his hunch back assistant revive Count Dracula, the Wolf Man and the Frankenstein monster in order to extract revenge upon their many enemies.