The legendary detective Sherlock Holmes & his trusted associate Dr Watson investigate one of the strangest cases in their career! With mauled bodies appearing on the streets of Liverpool rumors circulate that the culprit might be an inhuman monster known as Spring Heeled Jack Determined to solve the case & debunk the city's superstitions Holmes delves into the criminal underworld piecing together an intricate & deadly puzzle What have crime lord Mr Drummond a vicious dogfighting ring & a museum's Aboriginal artifact exhibit to do with the Liverpool demon's rampage? Meanwhile Dr Watson witnesses the creature with his own eyes & sets out alone in pursuit Will Holmes be able to save his dear friend from the subterranean perils beneath Liverpool?