Slave workers on the Normandy defenses are trapped in a bunker when D-Day takes place; they stay there for over six years
Peter Sellers, Charles Aznavour, Jeremy Kemp, Per Oscarsson
During D-day several people become trapped while hiding in a bunker, when heavy shelling collapses it. They have plenty of food and water so they decide to wait for rescuers. And so they wait year, after year, after year.