François Ozon’s Frantz, the insidious way war echoes through history, and a chastening message for the dangers of division

Françoiz Ozon has said he was motivated to make Frantz, a film about the immediate aftermath of World War I and the way it weighed so heavily among the German and French populations, because of a certain way that he saw history threatening to rhyme, in dreadful cadence, once more.