Mad scientist double-bill. In 'Revenge of the Zombies', Dr Max Heinrich (John Carradine) has turned his own wife (Veda Ann Borg) into a zombie, and now plans to create an army of undead slaves. When his wife's relatives arrive and stumble across his grisly plan, Dr Heinrich has to work fast to unleash his zombie minions. In 'Voodoo Woman' Dr Roland Gerard (Tom Conway) uses a mixture of science and the black arts to create the perfect killing monster, but discovers to his horror that his creation will not obey his telepathic commands. He then captures a young woman and works to transform her into a diabolical killing machine.