After befriending a mysterious horse during a summer in the English countryside, 15-year-old Zoe finds the strength to deal with issues she faces.

Holloway Riding School, rivals of Bright Fields, steals the cup from them, so Zoe and Pin decide to go and bring it back. Meanwhile Rosie tries to fit in.

光明马场准备榭寄生舞会之际，一件破碎的装饰品引领佐伊寻找家族秘密，而盖比则发现自己受到了新老板米亚的控制。