To the dismay of his aristocratic French family, young Antoine becomes an overseas mail pilot. He marries beautiful Spanish Consuelo and they set up house in Casablanca. Incapable of adjusting to the aviator's life, Consuelo soon flees to Paris. Antoine goes after her, they reconcile, but he refuses to give up flying. He is almost killed when his plane crashes in an attempt to break the Paris-Saigon air record. Antoine writes "The Little Prince", but is lured back to flying in order to resist the Nazis. His plane mysteriously disappears on a reconnaissance mission.