In 1890s Wyoming, Butch Cassidy and The Sundance Kid lead a band of outlaws. When a train robbery goes wrong, they find themselves on the run with a posse hard on their heels. After considering their options, they escape to South America.
The public murder of a prominent politician and doctor amid a violent demonstration is covered up by military and government officials. A tenacious magistrate is determined not to let them get away with it.