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.

安珀(Amber)协助理查(Richard)登上王位已过一年，二人即将在皇家圣诞婚礼中共结连理，然而两人的计画却出现变数：安珀开始怀疑自己也许并不适任皇后；理查面临不仅会破坏佳节，更可能危及王国命运的政治危机。