The date is October 12th 1972, and the rugby team from Montevideo - the capital of Uruguay - is on its way to Chile with the staff and families of the players to play a friendly match. Due to bad weather conditions, the plane makes a stopover in Argentina and the next day, Friday October 13th, the Urugayan Air Force Flight 571 takes off again, heading for the city of Santiago del Chile. However, the weather is still bad, and the pilots have to orient themselves mainly with the aircraft's instruments, as visibility is very poor...