In early 1920s France, an author, lying on his deathbed, looks at various photographs and is flooded with memories of the people and events that have shaped his life.
Alice experiences the ordinary happiness of a mother when everything changes: the man of her life, Thomas, the father of her child, is suspected of being Antoine Durieux-Jelosse, the man who hit the headlines for having killed his entire family fifteen years ago.
Paul is taking care of his six-month-old baby girl Lou, alone and full-time. He never leaves his neighborhood and doesn't take calls. His loved ones are beginning to worry.