Several years after the events described in 'The Final Problem', Dr Watson takes an interest in the murder of Ronald Adair who was shot in a locked second floor room.

Just as he is about to be arrested for the murder of a client, a young lawyer pays a visit on Holmes and begs him to help prove his innocence.

A man seeks Holmes' advice after his wife becomes terrified at the appearance of a series of drawings of dancing men.

After accepting a post as a music teacher at a country house, a woman begins to worry when she is followed by a mysterious stranger on her weekly cycle trips down a usually deserted road.

The headmaster of an exclusive boarding school persuades Holmes to track down the abducted son of a wealthy duke.

An ill-tempered ex-ship's-captain is brutally murdered, pinned agaist the wall of his garden shed by a harpoon.

A young Lady employs Holmes to negotiate with London's most notorious blackmailer.

Lestrade consults Holmes when a number of busts of Napoleon are smashed at various locations around London.

A professor at a top university seeks Holmes' help with a possible case of cheating in a valuable scholarship exam.

Up-and-coming detective Stanley Hopkins consults Holmes about the apparently motiveless murder of the secretary of an old professor.

Holmes investigates the disappearance of the top player in the Cambridge University Rugby team on the eve of a match against Oxford.

The Prime Minister asks Holmes to investigate the theft of a letter of exceptional diplomatic importance.