Paul, a teacher and his beautiful wife Gabrielle, a professional photographer have been married for 10 years. They invite their friend's 15-year-old daughter Felicia to stay with them at their home in France while her mother recovers in a hospital in Switzerland. They discover that she is a beautiful young girl who is very unfriendly and most unhappy to stay with them. Gabrielle tries to help her enjoy herself by asking her to model for her.She becomes a very sexual model and soon both women begin to feel an overpowering desire for each other. Being a virgin she seeks sexual guidance from Gabrielle. Paul, jealous and confused about his wife's relationship, despises Felicia as she tries to seduce him as well. Eventually the young girl's sexual charms win over him and they all enjoy one last night of passion together before Felicia must return home.