In the shade of the Giant's Throne Mountain, and on the coast of the Indian Ocean, Port St. Christopher is home to Apley Towers; a riding school for girls and boys, young or old, who learn what it means to be a true horse rider. Trixie has outgrown her stable horse, Slow-Moe, and realizes she has to put the past behind her and find a new horse to ride. But after a terrifying incident with an advanced horse, she begins to question whether moving on...