Based upon the true story of Olga Benário, the German-born wife of Brazilian communist leader Luís Carlos Prestes. During the dictatorship of Getúlio Vargas (1930-1945) she was arrested and sent to Nazi Germany, where she was put to death in a concentration camp. After World War II began, Vargas decided to uphold the Allies.
Noël Bienvenu, owner of a career, is a widower and lives with his parents. His son Bastien, whom he despises, was sentenced to six months in prison for theft. Noël goes to see a dying friend, Romieux, who asks him to take care of his daughter Marthe, who has settled in Paris (Batignolles district). Noël goes there and discovers that Marthe is destitute (her lover Gaston being an incarcerated mobster): he then offers her to come and live with him and soon, marries her.
