In 1957, Elise Le Tellier, a young woman from Bordeaux, decides to join her brother Lucien, a revolutionary who has decided to become a worker instead of a notable. Lucien has secured a position for her and Elise in turn works on the assembly line of a car factory. There she meets and falls in love with Arezki, a young Algerian immigrant. The conflict between France and Algeria makes their life together very difficult, despite the deep love that binds them.