Ridin' On

Bolton has organized a feud between the Rork's and the O'Neil's. He has rustled cattle and killed a man putting the blame on Danny O'Neil. Tom Rork has found a bullet with markings on it that he hopes will clear Danny and bring in the real killer.

Wild Horse Valley

Bob Evans' Arabian stallion is stolen and Bob, with his friend Shag Williams starts on the trail that takes them to the horse ranch owned by Kimball and his daughter Ann, where the stallion is running wild. Baker, the ranch's crooked foreman, is utilizing the stallion as a decoy and, with his henchmen, Raymer and Winton, corrals the mares that follow the stallion in a hidden corral, intending to sell them across the state line.

El Diablo Rides

Bob rides into a border town where he runs into trouble with Lambert and his gang. Herb arrests him claiming he is the outlaw El Diablo. But it was just to save him from Lambert's gang and the two now plan to trap the outlaws.