Springfield Rifle (1952)

Major Lex Kearney, shamed by a dishonorable discharge for alleged cowardice, seeks redemption by going undercover to thwart horse thefts crucial for the Union's war efforts. Infiltrating a notorious band of jayhawkers and Confederate soldiers, he gradually earns their confidence. As he navigates this treacherous world, Kearney uncovers the identity of the informant leaking vital details about the horse shipment routes. His mission tests his courage and loyalty, pushing him to confront his past while fighting for a cause greater than himself.