 Erin's discovery of a book containing Joc-Sindor's handwritten notes sets off a series of mysterious and frightening events.It appears that someone has taken an interest in Erin's secret development of the time jumper, but whether this individual wants him to fail or succeed is not clear.In the process of pursuing answers, Erin learns surprising truths about his heritage, Joc-Sindor, and the priesthood that rules the city.