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.
Unable to find her runaway son, a woman deceives two of her ex-lovers from her youth, a mild-mannered teacher and a tough journalist, that each is the real father in order to obtain their help.
Sophie, a quiet and shy maid working for an upper-class French family, finds a friend in the energetic and uncompromising postmaster Jeanne, who encourages her to stand up against her bourgeois employers.