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.
It is Christmas Eve. Separated from her young son, Helly struggles for money. A solitary man, Didier pays her to play his fiancée for the night. But the act comes to a tragic end. Left stunned, Helly meets Marie, who takes her in, on her way to the coast. There they encounter Chris. All three will end the night together. It’s their last move in joy and perdition.
A highly intelligent teenage girl has an affair with a 40-year-old man.
