An ancient churchyard falls into the sea, concealing a 420-year-old secret. Bill and company are on a new quest, looking for lost Spanish gold. No longer a detective, Bill thinks he can relax and enjoy a peaceful holiday in the lush countryside of Norfolk, England. Death, disaster and intrigue conspire to make life difficult, dangerous and ever more complicated. Newf and Bill become trapped in a sinking ship while the bad guys meticulously steal his gold. But for a beautiful young woman, all would have been lost. Even New Scotland Yard is confounded, yet slowly and methodically two great mysteries are unravelled - one new and one old.