Karen and Kurt graduate from high school, then college together. Kurt marries Karen.
It turns out that Karen has no real response to sex. It's like making love to a corpse.
Then Kurt hears about a machine during a business trip.
Karen finally agrees to try the machine if, and only if, Kurt will promise to take it back and never again waste so much money on something that will never work. Much to her surprise, the machine works!
The initial sessions with the machine begin to improve their sex lives. But there are several other surprises in store…