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.
A couple's quiet cabin retreat spirals into dread when they're warned never to open a locked door at the end of the hall. Obsession grows, whispers stir at night, and terror seeps through the walls in this chilling slow-b
