Sherlock Holmes investigates when young women around London turn up murdered, each with a finger severed. Scotland Yard suspects a madman, but Holmes believes the killings to be part of a diabolical plot.
Sherlock Holmes is drawn into the case of Jack the Ripper, who is killing prostitutes in London's East End. Assisted by Dr. Watson, and using information provided by a renowned psychic, Robert Lees, Holmes finds that the murders may have their roots in a Royal indiscretion and that a cover-up is being managed by politicians at the highest level, all of whom happen to be Masons.
When a nobleman is threatened by a family curse on his newly inherited estate, detective Sherlock Holmes is hired to investigate.
In 1947, long-retired and near the end of his life, Sherlock Holmes grapples with an unreliable memory and must rely on his housekeeper's son as he revisits the still-unsolved case that led to his retirement.
Sherlock Holmes and Dr. Watson meet as boys in an English Boarding school. Holmes is known for his deductive ability even as a youth, amazing his classmates with his abilities. When they discover a plot to murder a series of British business men by an Egyptian cult, they move to stop it.
Two dubious characters disguise themselves as Holmes and Watson to gain attention and end up chasing counterfeiters and stolen stamps.
Having once again avoided criminal conviction, Professor Moriarity develops a murderous plan to “finish off” his last major nemesis, Sherlock Holmes, by making him fail to prevent the perfect crime. Does it involve a family curse, the crown jewels of England, or something else…
A headstrong but titled suffragette slips into the power of a murderous con artist.
Colonel Barclay is found dead and his wife is arrested for the murder, but Holmes is convinced a missing door key will reveal the true killer.
Holmes and Watson board a passenger train bound from London to Edinburgh, to guard the Star of Rhodesia, an enormous diamond worth a fortune belonging to an elderly woman of wealth; but within the first hour of the trip, the woman's son is murdered and the diamond stolen and any of the passengers in their car could be the killer thief.
A convicted thief in Dartmoor prison hides the location of the stolen Bank of England printing plates inside three music boxes. When the innocent purchasers of the boxes start to be murdered, Holmes and Watson investigate.
In a city rotting from within, a cursed coin promising untold riches leaves only disappearances in its wake. When Elle, son of powerful politician Mr. Vichai, vanishes, two broken men—Time, a disgraced cop, and Marvin, a fallen lawyer—are hired to find the truth. One million baht is on the line. But some truths come at a higher price.
A governess is arrested for the murder of her employer's wife.
A gentleman is baffled when the childish drawings of little dancing men terrify his American wife. Sherlock Holmes soon discovers why.
Hilton Soames, a lecturer in Greek at a university, notices that someone has gone into his study and looked at the text for an unseen translation exam that is due to take place the next day. Suspicion falls on the three students who live in the same building in which Soames lives and works, all of whom are entered for the exam.
A German spy named Von Bork has been in England since 1910. Through several agents, he has gathered a significant amount of information relating to the British armed forces and foreign policy. He is unaware that a large amount of that information is false because one of his agents is really Sherlock Holmes, who is working for the British government.
In the midst of World War II, Sherlock Holmes rescues the Swiss inventor of a new bomb-sight from the Gestapo and brings him to England, where he quickly falls into the clutches of the evil Professor Moriarty.
Holmes goes on the trail of a Rembrandt painting, stolen by a drug-addicted artist.
The corpse of a shabbily dressed young woman has been discovered in the mud flats of the Thames at low tide. Police assume she's a prostitute, but Dr. Watson suspects something more and goes to his old friend Holmes, now retired and at very loose ends.
When a bored Sherlock eagerly takes the case of Gabrielle Valladon following an attempt on her life, the search for her missing husband leads to Loch Ness and the legendary monster.