Thirteen-year-old DaIne has always had a knack with animals, but its not until shes forced to leave home that she realizes its more than a knack — its magic. With this wild magic, not only can Daine speak to animals, but also she can make them obey her. Daine takes a job handling horses for the Queens Riders, where she meets the master mage Numair and becomes his student.
Under Numairs guidance, Daine explores the scope of her magic. But she begins to sense other beings too: immortals. These bloodthirsty monsters have been imprisoned in the Divine Realms for the past four hundred years, but now someone has broken the barrier. Its up to Daine and her friends to defend their world from an immortal attack.
The mage Numair, the knight Alanna, and Queen Thayet enlist thirteen-year-old Daines help to battle the dreadful immortal creatures that have recently begun to attack the kingdom of Tortall.