London, 1890. A freezing November. As anarchists terrorize the city, a series of gruesome murders strikes deeper into its heart. Leading philanthropists are being slaughtered in alphabetical order, all members of a secret club, the Luminarians. And with each victim, a loved one mysteriously dies as well. Sherlock Holmes and John Watson embark on a race to stop this self-styled "Lucifer" whose motives are mysterious but whose methods grow increasingly...