François Ozon writes and directs this French drama following a teenage girl who is discovering her sexuality. The film takes place over the course of a year, split into four different segments for each season. Just before turning 17, student Isabelle (Marine Vacth) loses her virginity during a summer holiday. Before long she turns to prostitution and finds that she is excited and intrigued by the process of going to meet a new client. Initially Isabelle manages to keep her dealings a secret but eventually the truth comes out, much to the consternation of her parents. Can she return to her former life as a schoolgirl?