Chuck Jones is the only boy in town that doesn't have a steed. His father, Blowfly promises him a horse with a black horse named, Blackie. The horse belongs to Gene, who is working on Blackie. Gene hears about the death of an old prospector, who was found with horseshoe prints on him. The townspeople point finger at Blackie, since the soeprints match his horseshoes. Antoher prospector is found dead with horseshoe prints on him. Blackie is then sentenced to death.