Two aliens, Andros and Eva, enter a night club and invite Cynthia, one of the entertainers, to spend a few hours with them. Drunk, she follows the strange couple to an apartment, where the two sprinkle a mysterious substance on her body, and then hypnotize her, making her completely responsive to their will.
Cynthia has now become an instrument of death. Using her voluptuous body, she attracts unwitting subjects, who are then doomed to die.
One victim of her victims is a young student, who after a passionate night of lovemaking,
dies contaminated by the mysterious substance.
Cynthia develops a coating on her body. A doctor of the paranormal takes her to his clinic, but after a thorough examination is unable to discover the origin of the mysterious substance. However, he too, is unable to resist the voluptuous Cynthia. He makes love to her and dies, contaminated.
The substance coating Cynthia' s body solidifies until it begins suffocating her, before dying she is able to utter a terrible warning that extraterrestrials exist and can kill us all.
