Matthew Hammond is a British military officer posted to the European theater during World War II. He sustained a serious injury on the front lines so bad, in fact, that it cost him a lung. Now he is back in England, unable to fight, but he continues to serve his country by training new resistance fighters. One of the recruits under his tutelage is Madeleine ... Despite protocols discouraging romance, they are deeply in love, and Matthew is torn about putting Madeleine's life in danger ... But the Allies are mustering all their resources for crucial beach landings in Normandy, and Matthew knows his unit will need to play a role.