“You have heard me say many times, Watson, that when the impossible has been eliminated, what remains, however unlikely it may seem, is the truth. But what happens when the impossible cannot be eliminated?”

London, 1895. 

While investigating a case of potential identity theft, Sherlock Holmes finds himself in the middle of a war between the Egyptian Fremasonry and the Hermetic Order of the Golden Dawn for the possession of the ultimate grimoire, the Al Azif, the Book of Dead Names, the infamous Necronomicon itself...