Two young horse traders guide a Mormon wagon train to the San Juan Valley and encounter rugged terrain, the cutthroat Clegg gang, hospitable Navajo, and moral challenges on the journey.
He then made many more highly regarded films: Stagecoach (1939), Young Mr. Lincoln (1939), The Grapes of Wrath (1940), How Green Was My Valley (1941), My Darling Clementine (1946), Fort Apache (1948), She Wore a Yellow Ribbon (1949) and Wagon Master (1950).
The movie was based on a novel by Alan LeMay and a script by Ford's son-in-law Frank Nugent, the onetime film critic who wrote 10 Ford films, including “She Wore a Yellow Ribbon” and “Wagon Master.”