Duke, Pete and , later,Spencer ambush ex-Ranger Johnny Mack Brown and steal his horse. In Silver Springs, town banker Fred Allison is forced to borrow heavily from livery stable owner Ed Hooper to make good the hold-up losses. Johnny jumps Duke, gets a confession out of him that reveals Hooper as the gang leader, and sets out after Spence and recovers his stolen horse. He confronts Hooper, but is thrown in jail by an outlaw posing as a Marshal. Cinthy Allison recognizes the fake Marshal, and Hooper makes a break, with Johnny giving chase.