A group of French soldiers, including the patrician Captain de Boeldieu and the working-class Lieutenant Maréchal, grapple with their own class differences after being captured and held in a World War I German prison camp. When the men are transferred to a high-security fortress, they must concoct a plan to escape beneath the watchful eye of aristocratic German officer von Rauffenstein, who has formed an unexpected bond with de Boeldieu.
La Grande Illusion is a 1937 French war drama film directed by Jean Renoir, who co-wrote the screenplay with Charles Spaak. The story concerns class relationships among a small group of French officers who are German prisoners of war during World War I and are plotting an escape.