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.

Fifteen-year-old American Zoe spends the summer on an island off the coast of the United Kingdom, which was where her mother lived when she was young, visiting her British grandfather. There Zoe creates a special bond with a mysterious, wild, beautiful horse and struggles with boys and horse thieves.