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.
In the middle of a performance at la Comédie-Française, an actor dies on stage, poisoned. Martin, member of the troupe and friend of the victim, becomes the center of everyone’s attention. Suspected by the police, he’s also chased by a mysterious organization, Le Parfum vert, that seems to have ordered the murder.
Deep in the Pyrenees, two close friends at rock bottom have the idea of the century: to pull themselves of their misery, they will launch a horse trekking tour, a voyage through the mountains for tourists in search of nature, silence and adventure.
