Jeanne writes during WW II for a French clandestine journal. She is engaged to resistant leader Victor Devère but has a love affair with the young resistant Marc Hétier. But is Marc really trustworthy?

It's the end of summer in Créteil, in the Parisian suburbs. Sarah must leave her friends to go back to her boyfriend in Rotterdam. Following this departure, Arthur shuts himself away and decides not to talk until he has accomplished "something great".