Pierre Lachenay is a well-known publisher and lecturer, married to Franca and father of Sabine. He starts a love affair with air hostess Nicole, which Pierre is hiding, but he cannot stay away from her.

Gwen is a teenager living in a small coastal town. Lise is her best friend, a city girl who comes every year with her family to spend the summer. This year things are different though; at first Lise might not come at all, and when she does it is obvious that Gwen grew up faster than she did.

A young couple: Victor is a musician, Claire is a secretary in a publishing house. Their daily life seems so disappointing, so monotonous, that they begin to spend their time daydreaming, both creating their own imaginary world. At the office, she writes the story of an heroine's imaginary life. He collects material to compose an opera which glorifies the conquistadors.

“Each of you is an ambassador, and we are sure that each of you will be the best ambassador of our country.” This is how the film begins; a speech to emigrant workers for France. Salah left his three sisters and his mother to become an ambassador, going to work on a Defense site, wading in the mud, he works with a jackhammer. Salah wanders in search of work and housing. Coming up against racism from the owners claiming the respectability of the building and the good neighborhood, he finds himself in a hotel in the Goutte d'Or district. The body of Mehdi, friend of Salah, was found in the Canal Saint-Martin, murdered by a fascist commando, and Ali died of a bullet, killed by a racist janitor. Faced with crimes that remain unpunished, Salah and his friends organize, unite with the French working class to defend their lives and their right to work.

In the carefree days before World War I, introverted Austrian author Jules strikes up a friendship with the exuberant Frenchman Jim and both men fall for the impulsive and beautiful Catherine.

A year after the death of their father, life can begin again for Macha, Olga, Irina and their brother, Andrei. But the unpredictability of life destroys their hopes and certainties. The sisters of failed dreams now live in an idle city where everything has to start again. Chekhov's drama about loss and regaining meaning.