Photographer O's lover takes her to a Château, where she is, like other women there, naked, humiliated by whipping, sexual abuse by men etc. When O leaves, her lover gives her to his much older step-brother.
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.