10 years ago the perverse Dr. Russell couldn't resist the beauty of a young patient in his mental clinic and raped her one night. When she plunged herself from the roof shortly after, he described it as consequence of her heavy depressions. Now the same urge overcomes him with his new patient Sandy. He doesn't know that she's the daughter of his previous victim and that she's come for revenge.
Hick handymen Val McKee and Earl Bassett can barely eke out a living in the Nevada hamlet of Perfection, so they decide to leave town -- despite an admonition from a shapely seismology coed who's picking up odd readings on her equipment.
A lifetime of taking shots has ended Rocky's career, and a crooked accountant has left him broke. Inspired by the memory of his trainer, however, Rocky finds glory in training and takes on an up-and-coming boxer.