Summer 1939. Colette, 6, and Ernest, 11, spend their holidays at their grand-parents' house in Normandy. There they discover the countryside and farm life. However, they quickly face the Nazi Occupation, with its requisitions, revocations, bombings and other tragedies brought by the Second World War.
July 1942. Vichy France obliges all Jews to wear a yellow star. Ernest and Colette are shocked to see how their friend Rosalie is treated at school, now that she has to wear the star. They are horrified and also want to find a way to resist.
Autumn 1943. The date of the armistice of the First World War is approaching. Resistance is growing in the village, and the inhabitants are increasingly committed to the cause. However, this demands great caution because not everybody sees things the same way.
June 1944. The Allied landing is imminent and all the villagers are waiting for it impatiently. Everyday life continues despite this unbearable suspense. Of course, nothing will go smoothly.
August 1944. The village sees its last clashes against German troops. They finally flee. The time has come to settle scores between those who resisted and those who collaborated. Ernest and Colette are finally reunited with their parents.