Emery Brighton isn't thrilled to learn that she must stay at her grandfather's horse farm over summer break.
When a storm hits, Emery soon discovers things aren't what they seem at Rosewood Farm. She learns that hidden among the horses are unicorns in disguise, and that's not all, she can talk to them and hear them talk back!
With her new gift comes great responsibility. She must help save the farm and the remaining unicorns from the evil Sorin, who will stop at nothing to get the unicorns' powers for himself.
At every turn there is a new challenge to overcome, but with help from the unicorns and her new friend Lyra, will Emery be able to save the farm in time?