"He's no good. Not with a wild horse like King for a sire!"
That's what Ben Darby's father thinks. But Ben believes in the little black colt. And he takes on the job of breaking and training the son of the wild stallion.
It isn't easy. When Ben leaves the ranch to go to school in the city, the colt, Inky, goes too. Ben has to earn the money for Inky's keep. He has to get up winter mornings at 4:30 to ride him.
Does Inky really have the stuff? Is he all that Ben believes him to be?
The test comes the day Johnny Horn rides for the calf-roping championship — on Ben Darby's Christmas Horse.