 In the town of Rio Bravo, Texas, former sheriff's deputy Dude (Dean Martin), who has acquired the contemptuous nickname "Borrachón" (, Spanish for "big drunk"), enters a saloon but cannot afford a drink.Joe Burdette (Claude Akins), brother of the rich and powerful rancher Nathan Burdette, tosses a silver dollar into a spittoon.Presidio County, Texas, Sheriff John T. Chance (John Wayne) appears and kicks the spittoon away, looking at Dude with disgust.