Beautiful Kay Parker plays an investigative reporter with Expose Magazine who is assigned to write an article on a new health spa, famous for its program of sexercise. Behind the guarded doors she is lead into an erotic underworld teeming with turned on adults. Everywhere she looks bodies are entwined in a lusty search for passionate ecstasy, unaware of anything except the discovery of new ways to achieve sexual fulfillment. Through a bewildering series of sensual encounters with a variety of partners, and a fantastic display of unusual erotic techniques, she realizes that sexercise is here to stay.