Winter's surrogate mother, the very elderly dolphin Panama, has passed away, leaving Winter without the only poolmate she has ever known. However, the loss of Panama may have even greater repercussions for Winter, who, according to USDA regulations, cannot be housed alone, as dolphins' social behavior requires them to be paired with other dolphins. Time is running out to find a companion for her before the team at Clearwater loses their beloved Winter...

A traveling circus accidentally leaves behind a baby zebra. The baby is then rescued by horse farmer Nolan Walsh, who takes him home to his young daughter Channing. "Stripes" is soon introduced to the farm's misfit troupe of barnyard residents. The Walsh farm borders the Turfway Racetrack, where highly skilled thoroughbreds compete for the ultra-prestigious Kentucky Crown. From the first moment Stripes lays eyes on the track, he's hooked. He knows...