Two couples meet at a spa when they realize their respective suites share a bathroom. Joe is there with his wife Fay so he can relax from his work and recover his stamina for Fay's sexual demands have made him practically impotent. As for Nick and Lucy, she is always at his throat for her jealousy makes every other woman into a potential rival. It is not until a third couple arrives to the spa that the real trouble starts. Lou and Rose are newly-weds that won a week at the spa. But they are booked into separate rooms. When they try to consummate their marriage the other couples get in the way. A major tragedy is finally averted when a couple of Swedish swingers, Ole and Inge, save the day with their wisdom and open-life style.