At Léon Blum High School in Créteil, France, a history teacher decides to have her weakest 10th grade class participate in a national history competition.
Two aging crooks are given two weeks to repay a debt to a woman named The American. They recruit their recently deceased partner's son to help them break into a laboratory and steal the vaccine against STBO, a sexually transmitted disease that is sweeping the country. It's spread by having sex without emotional involvement, and most of its victims are teenagers who make love out of curiosity rather than commitment.
Zahia Ziouani, 17, dreams of becoming a conductor, while her twin sister Fettouma hopes to be a professional cellist. They want to make classical music accessible to everyone and create their own orchestra.