The friendship that ties together eleven year old Jamie and his horse Acorn has a magic that comes once in a lifetime, but can it really resist the bullies that want to rip it to shreds? 

Jamie and Acorn's friendship is one for the books: their attachment is unbreakable, their mutual understanding uncanny and their adventures legendary. But one day everything changes. Jamie steps in to defend one of his classmates from his teacher and suddenly everybody turns on him. Worse, they use his friendship with a horse to bully him. Attacked on all sides, Jamie has to decide whether to desert Acorn or fight for what he truly believes in, both for himself and his best friend.