May Rides a New Pony (Pony Tails)

May Grover has bad news. Her pony, Macaroni, has a sore foot, and she can't ride him until he's better. But May's dad has the perfect solution: She can help him train his new student--a smart pony named Zeus. Soon May is so busy with Zeus, she forgets about Macaroni. And the other Pony Tails seem to be forgetting about her!