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.
Unsolved Mysteries is back with new episodes with more perplexing cold cases and supernatural events. Unsolved Mysteries is from the creators of the original docuseries, Cosgrove/Meurer Productions, and 21 Laps Entertainment, the producers of Stranger Things.