A swap documentary about two beautiful wives who are troubled by their husbands' strange sexual habits, swapping husbands and living together for three days and two nights. This time, the two wives appear, one a mixed-bathing-obsessed husband who wants to take a bath with his wife every day, and the other an AV-obsessed husband who loves porn and masturbates every night. The wives are shocked by the sexual habits of the other husband, but begin to reevaluate their own married life. And what do the wives do when they get home...?