London, 1940. Her mother is dead in an air-raid, her father reported missing in action: suddenly young Katharine de Montval's world is reduced to emotional rubble that matches the grim surroundings of the city. Vulnerable and alone, she seeks sanctuary at Ardnakil, a friend's rambling house set deep in the Scottish countryside. On the train she meets Ashley Paget, a handsome young parachute officer. The scene is set for an intense, passionate romance as the couple struggle to see each other in war-torn Britain: a rushed wedding, snatched weekends, hurried evenings, station partings. Their love grows - but tragedy and heartbreak pursue her. In an ending full of power and emotion, Katharine discovers that the war is about to reveal its biggest surprise.