Bahia Benmahmoud, a free-spirited young woman, has a particular way of seeing political engagement, as she doesn't hesitate to sleep with those who don't agree with her to convert them to her cause - which is a lot of people, as all right-leaning people are concerned. Generally, it works pretty well. Until the day she meets Arthur Martin, a discreet forty-something who doesn't like taking risks. She imagines that with a name like that, he's got to be slightly fascist. But names are deceitful and appearances deceiving.

A mother of two mysteriously disappears one morning. Her husband isn't worried as they've had rough patches; his wife just wanted to give him a scare and will come home soon. But her lover is convinced she has been murdered by her husband.

Christian is a divorced father who can only see his young daughter Vanessa every other weekend. When he meets the single mother Christine and decides to participate in a summer TV show, his whole life is turned upside down.

Teacher in the most prestigious highschool in the country, François enjoys the life he’s always known, in the intellectual and bourgeois society of Paris. Trapped in a situation where he’s forced to accept a job in a school of a tough underprivileged suburb, he finds himself confronted to his own limits and to the upheaval of his values and certainties.

The attractive Béatrice Laune has a brilliant career, recently crowned with the award for best advertising creativity of the year. A well-deserved reward, as Béatrice has devoted her entire life to her work. The only fly in the ointment is that, for some time now, the young woman has been fainting every time she is confronted with a baby! The medical diagnosis attributes these episodes to a repressed desire to have a child as she approaches her 40th birthday. This situation disturbs Béatrice to the point where she becomes fixated on one idea: having a baby for her 40th birthday!