February 1927. The funeral of Marcel Péricourt, the most powerful banker in Paris. His daughter Madeleine must take the helm of the financial empire of which she is the heiress. But she has a son, Paul, who with an unexpected and tragic gesture will place her on the path to ruin.

In may 1940, the German troops enter France. Frightened by the progress of the enemy, the people of a small village of Pas-de-Calais decide on the recommendations of the prefecture, to give up everything to go on the road, fleeing to the coast.