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.
American teacher, Kate, takes a job at a remote Scottish estate, but soon becomes entangled in a dark family mystery involving the previous tutor, a guarded teen, and a tragic death that may not be what it seems. Inspired by true events.