
Chili's idol, a famous racehorse named River, comes to stay at Horseland. However, River is retired, causing Chili some concern.
When a new boy, Chase, visits Sarah at Horseland, the other riders think that he's her boyfriend. They soon discover, though, that Chase is Sarah's cousin. He helps them prepare for an upcoming dressage show, but refuses to read direction. Chloe and Zoey think that he is illiterate, but it is revealed that he is, instead, dyslexic, as is Will.
A Native American girl and her horse come for a visit at Horseland. Zoey especially jumps to conclusions, which leads to a rivalry for a leadership role between the two girls.