Thirteen-year-old Callie is determined to save and raise a beautiful but sickly mustang foal after the filly is orphaned in a Nevada desert round-up.

On a remote tropical island, twelve-year-old Beatriz stumbles across a wild mare with strange markings. She can't believe that this horse is real, but soon a strong connection grows between them. Beatriz uncovers an incredible history of a young girl, Felipa, and her horse from centuries ago . As the fates of the girls and their horses become entwined, Beatriz learns the future of the world's rarest horses depends on her.

When a devastating earthquake hits Evie's hometown of Parnassus on New Zealand's South Island, she and the rest of the town are forced to evacuate. Evie's injured mum is one of the first to be rescued by helicopter and Evie will be next. But when realises that she will be forced to leave her beloved pony, Gus, her dog, Jock, and her cat Moxy behind, she is determined to find another way. Before the rescue helicopter returns, Evie flees with Gus, Jock...