Late September, 1942. Jo Hardy, a 22-year-old ferry pilot, is delivering a Spitfire to Biggin Hill Aerodrome when she realizes someone is shooting at her aircraft. When she returns to the location on foot, she finds an American serviceman in a barn, tied up and gagged. Jo hurries away, but can't shake the image of the serviceman from her mind. Several days later, when Jo recounts the story to several other women, she receives the news that Erica,...