At a loss after finishing their exams, Aubrey and George travel to the Gallian capital, Lutetia. Aubrey is pursuing a cure for his condition, but his family have other ideas, and he's soon burdened with a royal mystery to solve, a missing ornithologist to locate and a spot of diplomatic espionage. These tasks should keep Aubrey occupied - but that would be underestimating Aubrey's sense of curi...