Caleb learns that Elyon’s parents, the Browns, are being held in the forbidding underground prison at Cavigor. He and the Guardians plot a difficult escape. But one slip and Phobos will discover the rebels secret subterranean hideout.
Caleb discovers that fellow rebels have been turned into zombified Trance Marchers por the sound of a magical object called the Horn of Hypnos. But when Blunk steals the Horn and brings it back to Earth, the trance starts to spread to Heatherfield.
Caleb finally attempts to win Cornelia back, but his efforts are complicated por her secret relationship with Peter Cook and the facade she’s maintaining that she is really her own older sister, “Lilian.”
