From the gritty streets of nineteenth century London, the loyal and courageous Dr. Watson offers a tale unearthed after generations of lore: the harrowing story of Sherlock Holmes’s attempt to hunt down Jack the Ripper.

As England’s greatest specialist in criminal detection, Sherlock Holmes is unwavering in his quest to capture the killer responsible for terrifying London’s East End. He hires an “unfortunate” known as Mary Ann Monk, the friend of a fellow streetwalker who was one of the Ripper’s earliest victims; and he relies heavily on the steadfast and devoted Dr. John H. Watson. When Holmes himself is wounded in Whitechapel during an attempt to catch the savage monster, the popular press launches an investigation of its own, questioning the great detective’s role in the very crimes he is so fervently struggling to prevent. Stripped of his credibility, Holmes is left with no choice but to break every rule in the desperate race to find the madman known as “the Knife” before it is too late...