Young Swedish girl Molly spends the holidays with her friends at the Cote d'Azur in southern France. Her friends run a very social and liberal summer house with some interesting guests and famous parties. The trip leads to her sexual awakening. In the tingling summer mood the easygoing guests gradually lose their inhibitions. Everyone is allowed to join everyone, even a visit to a sex club is on the program. Shy Molly falls, secretly in love with the host Peter, the oldest son of the house but he is seduced on the first day by Peggy, her experienced girlfriend. Only when Molly approaches Peter's shy and inhibited brother Robin, Peter realizes his true feelings for her.