Jasmine gets to train with the best rider at Pine Hollow Stables—but there's one member of the club who is not happy about itThe Pony Tails' riding teacher, Max, has assigned each of the girls a "big sister" from the Pony Club to help them improve their skills. When Jasmine is assigned to Carole Hansen, the best rider at Pine Hollow Stables, the other girls are jealous—especially Erin Mosley. Erin doesn't think it's fair, and says she's going to make Jasmine sorry. Will her nasty schemes ruin Jasmine's chances of winning a blue ribbon? Not if the Pony Tails can help it!