Sherlock Holmes - Mystery of the Headless Monk
In November of 1895 Holmes is engaged by one Mortimer Harly. Harly is one of the leading experts and investigators into the occult. He has been looking into the stories of a headless monk at a Cornwall abbey and has come to suspect that the incidents are being instigated by a corporeal entity. He wants Holmes to help him prove that these sightings are not really evidence of a ghost.