Dan Hurley wants to sell wild horses and is trying to get the Wild Game Laws that protect them changed. To get his petition signed, his henchman paints his trained horse to look like the wild horse leader and has it kill a man. Johnny Revere finds traces of paint on a horse and tries to arrest Hurley and his men. But he is captured by the gang and is now slated to be the next victim of the trained horse.

The suspicious death of Henry King during a hunting trip with his brother John leaves the inheritance of the rich Santa Rita Ranch to be shared with John, Henry's daughter Doris and a young girl from New York, Twinkle Watts. King says that a son, Henry King Jr., who left home as a young boy was killed in a Texas gunfight. - Written by Les Adams

The Hartley--Goodrich stage line suffers a double blow when its founders, Frank Hartley and Marcus Goodrich, are killed during robbery attempts. Goodrich's daughter Judith and the company foreman, Gabby Hayes, are determined to keep the business going, despite debt caused by the string of attacks.