- The story is set during the war between Prussia and France, where two French border towns were annexed by Prussia. As a result, German will now be taught instead of French in schools.
- The story follows Franz, a young student, on his way to his last French lesson taught by his teacher M. Hamel. Franz notices changes in his teacher and classmates as they realize this will be their final lesson in French.
- During the lesson, M. Hamel teaches passionately, knowing it is his last time instructing the class in their native French tongue. Franz is deeply moved and gains a new appreciation for his language and teacher.