Actors: John Barrymore,Helen Hayes,Clark Gable,Lionel Barrymore
Polio breaks out in Rio de Janeiro, the serum is in Santiago and there's only one way to get the medicine where it's desperately needed: flown in by daring pilots who risk the treacherous weather and forbidding peaks of the Andes.
Horton is about to be married when he's confronted by a blackmailer claiming to be his long-lost illegitimate son. The best man sets out to prove that the allegations are false. Produced by Michael Balcon.