The story of former Hollywood star Grace Kelly's crisis of marriage and identity, during a political dispute between Monaco's Prince Rainier III and France's Charles De Gaulle, and a looming French invasion of Monaco in the early 1960s.
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.
David, who gets by doing odd jobs, meets Léna, who has just moved up to Paris, and falls in love. But soon after, his life is brutally interrupted by the sudden death of his sister. Beyond the shock, and the pain, David now finds himself alone with his young niece Amanda to care for.
