It is four years since the fall of Jupiter, but upon the Cutty Sark, all is far from well Thomas Triton, a retired midshipmouse, is tormented by horrific visions of the past of storm-lashed seas, ferocious battles, lost cities and terrifying heathen gods But worse still, now he knows the time has come to confront the most chilling memory of his youth and a dark, deeply dreadful secret