An unidentified woman is found dead with a set of false teeth mysteriously gripped in her hand. A young tutor finds himself accused of a bizarre art theft. A Russian refugee in hiding is helped by Watson’s wife Mary, and now Mary has disappeared.

Did you ever wonder where Sherlock Holmes found the Persian slipper he keeps his shag tobacco in? Had Holmes and Watson ever met before that day at St. Barts? Did Holmes really believe in curses when he said he did? Dr. John Watson reveals the answers to these questions in The Persian Slipper and Other Stories, along with cases involving the putative Naval Man, a night spent at a gentlemen’s club, Holmes’ second marriage proposal, a movable tree, and a surprising wedding ending.

For all we know, or think we know, about Sherlock Holmes and Doctor Watson, what we don’t know is far, far greater. In the duo’s first case, A Study in Scarlet, we learn that Holmes and Watson met on January 1st, 1881, and subsequently moved into an apartment together at 221b Baker Street. Their first case officially began on March 4th of that year, and it is argued that “The Adventure of the Resident Patient” possibly took place in October of 1881, depending on which version of the story you read. But what happened during the rest of 1881? Or all of 1882?

When Mrs. Hudson asks Holmes and Watson to find a missing girl, neither men expected what they would find. Along with Lestrade, they are plunged into a case of abduction and murder. As they race from Marylebone, to Finchley, to Wapping, and back again, time is running out for them to solve the case without further casualties. With two of their own under threat, the pressure is mounting to catch and stop the group known as "Hellfire Heirs".

1896. A new client at Baker Street claims he’s being threatened via the new art of the moving image. Eadweard Muybridge, pioneer of motion picture projection, believes his life is in danger. Twice he has been almost run down in the street by the same mysterious carriage, and moreover, disturbing alterations have been made to his lecture slides. These are closely guarded, yet just before each lecture an unknown hand has defaced images depicting Muybridge himself, which he has discovered, to his horror, only as he projects them to his audience.