Test pilot Jim Lane (Clark Gable) has endangered himself more than once because of his drinking. Despite efforts by his best friend, Gunner (Spencer Tracy), Jim has not quit the bottle. After making an emergency landing on a Kansas farm, Jim falls for, then marries, local girl Ann (Myrna Loy), but married life cannot keep Jim from indulging in his reckless ways. Then, on a dangerous mission with Gunner, Jim finally confronts something that just may scare him into never flying again.