Alice and Louis are brother and sister. She is an actress; he was a teacher and poet. For more than 20 years, Alice has hated her brother. In all this time they haven’t seen one another. The death of their parents brings the siblings face to face.

A French widower and WWI veteran returns home after the war to raise his newborn daughter.

In France, during the Second World War, journalist Paul Roy is a member of the Resistance, while his colleague and friend Jacques Médina is a collaborator. But it's thanks to Jacques that Paul is able to remain free, as he shelters him in his home after a roundup. The two friends co-wrote various Nazi propaganda articles, which appeared under Jacques' byline. The situation becomes complicated when Paul becomes the lover of Jacques' wife.