A demented surgeon performs experimental organ transplants. When his fiancée is decapitated in a car accident, he manages to keep her brain alive in a tray. He then abducts a disfigured model, so that he can graft his fiancée's head onto her body. Eventually the mind-mass goes wireless, using telepathy to summon the creatures of experiments past. A mind-expanding film featuring a heroine who can't believe her boyfriend loves her just for her brain.