In his first summer at Earth Ranch, Clay encountered a haunted library, a mysterious castaway boy, and a fire-breathing dragon--not to mention some pretty incredible magic. Now he faces his most dangerous foes yet: the mysterious white-gloved members of the Midnight Sun, and he must join forces with familiar faces from the Secret Series (including that series' main characters Max-Ernest and Cassie) in order to triumph over these villains once and for all.