Siblings Luca and Fanny (Julia Perrin) are once again enjoying another summer at their parent's Villa. This summer though will be like none other as both are reaching their sexual maturity. Luca has flashbacks of being a boy who has had near sexual encounters with his aunt (Jane Baker). Meanwhile Fanny enjoys fun by herself behind closed doors at night. The 2 maids (one of which is Brigitte Lahaie) set out to teach the brother and sister all there is to know about sex and in the process awaken Luca's desires for his aunt. Also stars Daniela Giordano and Annie Edel.