Ellie, a recovering drug addict, has just moved to a new city with her two teenage children. She has struggled to stay sober in the past and is determined to make it work this time, finding a stable job and regularly attending her meetings. Unfortunately,
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