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Major Lex Kearney, dishonourably discharged from the army for cowardice in battle, volunteers to go undercover to try to prevent raids against shipments of horses desperately needed for the Union war effort. Falling in with the gang of jayhawkers and Confederate soldiers who have been conducting the raids, he gradually gains their trust and is put in a position where he can discover who has been giving them secret information revealing the routes of the horse shipments.
Director: André de Toth
Actors: Alan Hale Jr., David Brian, Gary Cooper, Guinn 'Big Boy' Williams, James Millican, Lon Chaney Jr., Martin Milner, Paul Kelly, Philip Carey, Phyllis Thaxter