A daring horse theft has sparked a thrilling adventure as a legendary racehorse, Black Knight, is stolen and a ransom is demanded. The Mesquiteers are mistakenly accused of the crime, but a clever woman, Mrs. Garth, sets them free. To outsmart the kidnappers, the group uses a lookalike horse to compete in the high-stakes race, masquerading as the stolen Black Knight.
Riders of the Black Hills
A renowned race horse, Black Knight, vanishes, and the Mesquiteers, a group of cowboys, are mistakenly accused of stealing it, with a ransom demand made in their name.