Sherlock Holmes has made his reputation finding the truth at the heart of the most complex mysteries. With the aid of Dr. John Watson, his trusted ally, the renowned "consulting detective" is unequaled in his pursuit of criminals of every stripe, whether relying on his singular powers of observation, his remarkable deductive skills, or the blunt force of his fists. But now a storm is gathering over London, a threat unlike anything that Holmes has ever confronted...and just the challenge he's looking for. After a string of brutal, ritualistic murders, Holmes and Watson arrive just in time to save the latest victim and uncover the killer: the unrepentant Lord Blackwood.