An intriguing mystery lures Sherlock Holmes from the comfort of Baker Street in the winter of 1898: the ghastly murder of a gravedigger in the most bizarre of circumstances. Soon Holmes and Watson are travelling to the tiny German village of Darmstadt, to unmask a callous killer with an even more terrifying motive ... In nearby Schloss Frankenstein, the eponymous family disowns the rumours attached to its infamous ancestor. But the past cannot be erased, and an old evil is growing strong once again - in the unlikeliest of guises ...