Fifteen-year-old Tobias Doljan, a Walker trained to travel through time, is called to serve at the court of Daerjen. The sovereign, Mearlan IV, wants him to Walk back fourteen years to prevent a devastating war that will destroy all of Islevale. Even though the journey will double Tobias' age, he agrees. But when he arrives, he discovers that Mearlan has already been assassinated, and his court, destroyed. The only survivor is the infant princess, Sofya. Still a boy inside his newly adult body, Tobias must find a way to protect the princess from assassins and build himself a future?in the past.