A mysterious death. A castle of spirits and superstitions. A royal family of fierce and unnatural passions. Literature's greatest detective has been invited into its most bloody and macabre plot.The Prince of Denmark is convinced that his father was murdered, and he's determined that Sherlock Holmes will help him prove it. But when Holmes and Watson reach the palace of Helsingør, their young acquaintance Hamlet is increasingly deranged, and the royal court is gripped by suspicion and fear. The legendary sleuth and his faithful chronicler have found themselves at the heart of a conspiracy, and must survive the madness to reveal a forgotten truth to the world.'Was this an end to the blood and to the chaos?’Holmes gazed at me. ‘An end?’ he said, and his voice was deathly. ‘My dear Watson: it has not yet begun.’