Two neurotics, working for a suicide hotline on the night of Christmas Eve, get caught up in a catastrophe when a pregnant woman, her abusive boyfriend, and a transvestite visit their office.
A young French teenage girl after moving to a new city falls in love with a boy and is thinking of having sex with him because her girlfriends have already done it.
Having fortuitously discovered a photograph in which Marthe embraces someone unknown, Étienne Dorsay becomes jealous and imagines various stratagems to identify the lover. In the meantime, he and his friends acquire a weekend house for a very low price.
