Victorian Undead Sherlock Holmes Vs Zombies!

In 1854, a meteor streaked across London's skies, bringing with it a zombie plague. For 20 years, Her Majesty's Secret Service kept the threat under control. But now Moriarty has begun using the zombies in an attempt to overthrow the Government. Sherlock Holmes and Dr Watson must face off MI-5 and the zombies at the same time.