Fanning has his men rustle horses and then blame it on a wild horse named Wildfire. Happy and Alkali arrive and immediately get into trouble with Fanning and his men. When Alkali is shot, Happy catches the outlaws but the Judge not only releases them, he discharges the Sheriff and tries to arrest Happy for rustling. Happy escapes and he and the Sheriff then set out to prove who the real rustlers are.

Whip Wilson rides again in the Monogram western Abilene Trail. Wilson and his grizzled sidekick Andy Clyde are accused of horse stealing, a hangin' offense around these here parts. Eluding the authorities, the boys take jobs at a ranch where the real crook is hiding out.