Now, as she sneaks around the dirigible school, eavesdropping on the teachers' quarters and making clandestine climbs to the ship's boiler room, she learns that there may be more to a field trip to London than is apparent at first. A conspiracy is afoot—one with dire implications for both supernaturals and humans. Sophronia must rely on her training to discover who is behind the dangerous plot—and survive the London Season with a full dance card.