Between the world wars, no sport was more popular, or more dangerous, than airplane racing. Thousands of fans flocked to multi-day events, and cities vied with one another to host them. The pilots themselves were hailed as dashing heroes who cheerfully stared death in the face. Well, the men were hailed. Female pilots were more often ridiculed than praised for what the press portrayed as silly efforts to horn in on a manly, and deadly, pursuit. Keith...

Determined to help the effort, female Russian air pilot Valka signs up to join an all-female aviation group, but as the war intensifies she has to decide how much she is willing to risk to defend the skies she calls home.