Join twelve-year-old Daniel Cook and his sister Beatrice as they begin their dragonological apprenticeship under the watchful eye of the eccentric Dr Ernest Drake. Their studies are interrupted when they find themselves in a race against time. Can they solve a riddle to discover the whereabouts of the fabled Dragon's Eye gem? Most importantly, can the ambitious siblings (with the help of some friendly dragons) save it from falling into the hands of Drake's arch rival, the evil Ignatius Crook? The fate of all dragons rests in their hands.