Before they realize they were tricked, Marshal Troop and Deputy McKay release a prisoner to members of a gang disguised as soldiers. They have to track down the escapee and face the gang.; Following a series of train robberies by the Medicine Bow Kid and his gang, Marshal Troop tries to convince the head of the railroad to use one of his trains as bait to draw the Kid and his gang out of hiding.; Facts about the Nevada County Narrow Gage Railroad, which was never held up by bandits.