After a perilous journey by sea, Jack is soon having his first experience of the London Blitz before being posted to White Waltham, where he quite literally bumps into Ruth and romance soon blossoms. On D-Day, Jack is sent to France to deliver a Spitfire, but he is declared missing in action after his plane fails to arrive. Heartbroken, Ruth must accept that the love of her life may never return . . .