Britain is at war and Ruth, a gifted pilot, is determined to join the Air Transport Auxiliary. Over in America, Jack and Lucy Nelson, are also keen to join. After a perilous journey by sea, Jack is posted to White Waltham, where he quite literally bumps into Ruth. She soon realises that she has fallen in love with Jack - but with death and heartbreak all around them, the cautious Jack can’t put his heart on the line. As the tide of war changes, Jack is sent to France to deliver a Spitfire, but his plane never arrives. Devastated, Ruth must accept that the love of her life may never return…