Springfield Rifle: Major Lex Kearney, dishonorably discharged from the army for cowardice in battle, has actually volunteered 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. 　　译文(3): 斯普林菲尔德步枪：Lex Kearney少校因在战斗中表现懦弱而被不光彩地退伍，他实际上自愿卧底，试图阻止对联邦战争急需的马匹的突袭。他与一群乱穿马路的小贩和进行突袭的邦联士兵打交道，逐渐赢得了他们的信任，并被置于一个可以发现是谁向他们提供了揭示马匹运输路线的秘密信息的位置。