Earth is under siege from an invading squad of aliens who have a diabolical plan to conquer mankind with a mummy, a vampire, Frankenstein's monster, and a werewolf. With abducted women as their assistants, the aliens use a traveling circus for cover, but their supernatural plan could have some monstrous consequences. The second film in the hugely popular Spanish horror series starring cult film star Paul Naschy as the legendary Waldemar Daninsky.
Starring Paul Naschy, Michael Rennie, Karin Dor, Patty Shepard
