Anne and Mitch are a very sexually active older couple. During the week, at the beach, Anne gets to know nice looking girls, seduces them and then she introduces them to her husband at the weekend, who seems to fall in love with practically all of them. During the week, Michel has sex with the twin sisters, who wear hippie-like funny white peruques. This time she spots Beatrice on the beach and decide to draw her into a threesome.