Hot on the trail of master criminal Flambeau, the head of the Paris police arrives in London, where he begins to notice small things out of place.

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.

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

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.

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

A young clerk lands what appears to be an ideal job - but soon begins to suspect he may be part of an elaborate trick.

The first case Holmes ever solved - while at university, he helps out a friend who's father is dying of nervousness following a visit from an ex-shipmate who seems to hold some power over him.

A university friend asks Holmes to help explain the disappearance of a butler shortly after he had been discovered taking an interest in a strange family ritual.

Holmes comes to the aid of a civil servant who has fallen on hard times following the theft of an important treaty placed in his care.

Holmes reveals the existence of a single organiser behind half the crime in London - an evil genius named Professor Moriarty - and soon finds himself in mortal danger.

Holmes comes to the aid of the King of Bohemia, a case which brings him into contact with the adventuress Irene Adler.

When Mr. Charles McCarthy is shot in a wood near Boscombe Pool, all (circumstantial) evidence appears to point at his son. But Holmes has doubts.

Holmes investigates a case that begins when a young man finds his uncle terrified by five orange pips he receives in the mail.