A British crime novelist travels to her publisher's upmarket summer house in Southern France to seek solitude in order to work on her next book. However, the unexpected arrival of the publisher's daughter induces complications and a subsequent crime.
In the French harbor city of Le Havre, fate throws young African refugee Idrissa into the path of Marcel Marx, a well-spoken bohemian who works as a shoe-shiner. With innate optimism and the tireless support of his community, Marcel stands up to officials pursuing the boy for deportation.
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.
