Salud (Bud Spencer) and Plata (Terence Hill) eke out a living as bush pilots in South America.

Beside carrying a few passengers and a small amount of cargo, their most lucrative activity is in faking aircraft crashes, on behalf of Salud's brother (Alexander Allerson), who will be able to collect the insurance money.

In a native village, they meet Matto (Cyril Cusack), an old man who takes Salud to see a mountain and tells him the story of three friends who killed each other.

Plata and Salud decide they will confront Ears, using aircraft to deliver their goods, and offering the natives a much better life.

Wanting to fly Matto to Salvador, where he would live in a modern city, Plata and Salud take the old man and his dog along with them, but he passes away on the flight.

"[1] Jim Craddock in Videohound's Golden Movie Retriever said, "The "Trinity cast up to no good ... crash-land a plane in the Andes, in the hope of finding slapstick, but found none.