When King Jaron returned to Carthya he brought with him a device that supposedly shows the way to a great treasure, but now everything is going wrong: Castor, the son of an old enemy, is conspiring against him and wants the throne for himself, his fianc, Imogen, seems to have turned against him, and the Prozarian Monarch has invaded his kingdom and taken Jaron's castle--but Jaron has a lot of experience at hiding and escaping, and he is not willing...

Young King Jaron has taken the throne of Carthya, but after enemies attempt to assassinate him, and a neighboring kingdom threatens invasion, he finds that he has no friends in the palace, not even his bride-to-be, princess Amarinda--and his regents think it would be better for Carthya if he just disappeared again.

When they uncover a conspiracy against America and its fundamental freedoms, the Kidd children, accompanied by their great uncle, crisscross the country in a race to prove that a newly-discovered copy of the Bill of Rights is a forgery.

Emily is contending with great changes, including diminished powers, but goes to London to rescue Agent B and others from the CRU, where she makes horrible discoveries about the agency's history.