2030

The mayor of Lyon, Paul Théraneau, is in a delicate position. After 30 years in politics, he is running out of ideas and is faced with a feeling of existential emptiness. To overcome this, Paul hires a young and brilliant philosopher, Alice Heimann. Then follows a dialogue between two diametrically opposed personalities who will turn their certainties upside down.

When 43-year-old hairdresser Suze Trappet finds out that she's seriously ill, she decides to go looking for a child she was forced to abandon when she was only 15. On her madcap bureaucratic quest she crosses paths with JB, a 50-year-old man in the middle of a burnout, and Mr. Blin, a blind archivist prone to overenthusiasm. The unlikely trio set off on a hilarious and poignant helterskelter journey across the city in search of Suze's long-lost child.

Two young girls meet, Reinette from the countryside and Mirabelle from Paris, and decide to take a flat together in Paris where they attend University. Four successive stories about their daily lives illustrate the very different views, characters and relation to the world of these two friends.