Butch Cassidy and the Sundance Kid is the laconic dead-shot "Sundance Kid". The two return to their hideout at Hole-in-the-Wall (Wyoming) to discover that the rest of the gang, irked at Butch's long absences, have selected Harvey Logan as their new leader. Harvey challenges Butch to a knife fight over the gang's leadership. Butch defeats him using trickery, but embraces Harvey's idea to rob the Union Pacific "Overland Flyer" train on both its eastward and westward runs, agreeing that the second robbery would be unexpected and likely reap even more money than the first. The first robbery goes well. To celebrate, Butch and Sundance visit a
Butch Cassidy and the Sundance Kid alerts the local police, leading to a gunfight with the outlaws. They take cover in a building but are both seriously wounded, after Butch makes a futile attempt to run to the mules in order to bring more ammunition, while Sundance provides cover fire. As dozens of Bolivian soldiers surround the area, Butch suggests the duo's next destination should be Australia. They charge out of the building guns blazing. William Goldman first came across the story of Butch Cassidy in the late 1950s and researched it on and off for eight years before sitting down to write the screenplay. Goldman