Western star Charles Starrett was amazing; he kept making the same film over and over, but always made it seem as if it was for the first time. In West of Sonora, Starrett once again plays a frontier good-guy named Steve (Steve Rollins, to be exact), who, when the need arises, disguises himself as The Durango Kid, masked righter of wrongs. This time, Steve/Durango champions the cause of 10-year-old Penelope Clinton (Anita Castle), who has spent her short life as the focus of a feud between her grandfathers, suspected outlaw Black Murphy (Steve Darrell) and Sheriff Jack Clinton (George Cheseboro).