The great detective has been invited to a curio exhibition at Whitby Museum, which includes the rare and mysterious Hand of Glory. This carefully pickled severed hand of a dead man reputedly has supernatural powers that can put any household into state of unnatural sleep, but some scoundrel has broken in to the museum…

…and the Hand of Glory has been stolen!

It is imperative that this dark artefact is found before it falls into the wrong hands…