Y., in an attempt to prove that stories about its being inhabited by demons are fraudulent.But soon his daughter, Susan (Lori Loughlin), and her friend Lisa (Meg Ryan) are experiencing inexplicable terrors, while his estranged wife, Nancy (Tess Harper), and supernatural expert Elliot West (Robert Joy) fear that the evil has begun to spread outside the house's walls.
The house's strange owners (Guy Rolfe, Hilary Mason) offer overnight lodgings, but with the dastardly intentions of making their visitors the playthings of their murderous toy dolls. Goldfoot (Vincent Price) and his sidekick, Igor (Jack Mullaney), build a race of bikini-wearing beauties who are designed to win the hearts and fortunes of the most influential men of the world.
Before long, the manufactured women begin to succeed, and Robot 11 (Susan Hart) is sent to coax multimillionaire Todd Armstrong (Dwayne Hickman) into handing over his wealth.
With the help of a race of Hawkmen, Flash and the gang struggle to save their home planet.
Unsurprisingly, grumpy Southern chemical baron Jason Crockett (Ray Milland) is not terribly concerned with the environment.
When Pickett Smith (Sam Elliott), a wildlife photographer in the area, stumbles upon the snakebitten corpse of Crockett's gardener, who was sent out to spray pesticide, he knows something is amiss.