It's 1939, and the start of the Second World War. Jenny helps her father manage an aircraft station. From a young age, she's learned how machines work, but she cannot become a pilot herself because of her gender. After an unsuccessful raid robs her from her father, events take a turn, and she soon finds her feet firmly off the ground. A forbidden rescue mission later, and Jenny finds herself shot down in enemy territory. She realizes that those who she's supposed to hate are not so different from those she loves.