'You and me - we're sisters, not enemies. We've got a real enemy at our door and we need to focus on that - together, united. I don't want to be fighting you as well.' In the small French town of Colmar, swastikas hang from lampposts, tanks are lined up outside the town hall, and twenty-one-year-old Marie-Claire is in love. She will do anything for her childhood friend Jacques, including spying on her German...