When the first boarders arrive Rosie realizes working at the family stable will be more difficult than she anticipated. The extra horses arent the problem however; its one of the boarders that Rosie cant get along with. When Grandma explains 1 Samuel 16:7 to the girls Rosie struggles to see how the verse applies. It takes an annoying boarder a blind horse and an extreme race to teach Rosie that while man looks at outward appearances God looks at the heart.