A cowboy named Kentucky Ken (Ken Maynard) and his sidekick, Cactus (George "Gabby" Hayes), meet a beautiful woman named Lila Miller (Evalyn Knapp) when her car accidentally goes off the road. Lila's father, Charlie Miller (H. B. Warner), owns the dude ranch where Ken and Cactus intend to enter their prize horse Tarzan in a gruelling canyon race. Two other men, Chandler and Tracy, have also arrived for the race. They are also plotting to blackmail Charlie, who has a secret criminal past, for half of his gold mine and ranch operation earnings. Chandler also hopes that his blackmail scheme will force Charlie into granting him permission to marry Lila, who is showing a definite interest in Ken. Charlie refuses to be bullied, however, and claims he was innocent of the crime.