One of the brothers, Colin (William Holden), instantly falls in love with Lucille Stewart (Anne Baxter), the nurse giving him a physical.

When the youngest McDonald, Keith (Johnny Sands), crashes his aircraft and dies, Ronald (Sonny Tufts) feels guilty over causing his brother's death, since he was the one who taught him to fly.

When their friend and colleague "Porkie" (William Bendix) is fired for flying recklessly over a passenger train, he also turns to selling cars.

[4] Noted Hollywood movie pilot Paul Mantz flew a Pitcairn Mailwing in the film; he also served as the aerial coordinator.

[3] The film was able to gain national and international notoriety when Mantz flew his war-surplus North American P-51C Mustang fighter that he named "Blaze of Noon" to a first-place finish in the 1946 Bendix Trophy cross-country air race.