A dramatization of the British Expeditionary Force's 1940 retreat to the beaches of France and the extraordinary seaborne evacuation that saved it from utter destruction by Nazi Germany.A dramatization of the British Expeditionary Force's 1940 retreat to the beaches of France and the extraordinary seaborne evacuation that saved it from utter destruction by Nazi Germany.A dramatization of the British Expeditionary Force's 1940 retreat to the beaches of France and the extraordinary seaborne evacuation that saved it from utter destruction by Nazi Germany.