A young man named Ignatius moves into a new flat in London, to the delight of his adoptive lesbian mothers. When they come to visit, however, they discover that he has undergone a troubling personality shift; Ignatius has become obsessed with both studying the minute details of crime committed in the city and with several of other young people who live in the area. With help from one of his new neighbors, they discover that his flat was once the home of the most legendary sleuth of all time, Sherlock Holmes. There is something supernatural within the flat that is transforming Ignatius into an unhinged, perverted recreation of Holmes...and Ignatius plans to expose those he is stalking to it as well so they'll become his Watson, his Mrs. Hudson, and so on so that the stories of the flat's most famous occupant will never end.
