When Jessie and her mum move into her grandmother's beautiful house in the mountains, Blue Moon, she discovers an amazing secret and enters the Fairy Realm for the first time. Fairies, elves, tiny horses and all kinds of magical beings live in the Realm. A noble Queen in a great golden palace rules them all. A high hedge keeps out dangerous creatures. But the Realm is in terrible danger. Jessie must outwit an evil enemy and save the land before it is destroyed forever!