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.

Holmes goes in search of a missing man, last seen, by his wife, looking agitated in the second floor window above a seedy opium den.

A woman dies at night in a locked room, crying out in pain: 'It was the band! The speckled band!'. Holmes investigates.

A man arrives at Dr Watson's house with a severed thumb - an injury which apparently occurred in the most unusual circumstances.

Holmes investigates when the Californian bride-to-be of Lord St. Simon goes missing just before the wedding.

Holmes helps a banker from whom some expensive gems, taken as security on a loan to an important client, have been stolen.

A young lady asks Holmes' advice as to whether she should accept an excellent appointment as a governess even though it comes with an unusual condition attached.

A Christmas mystery for detective Sherlock Holmes beginning with a lost hat and an abandoned goose.

What do an horrific dream and the name 'Catharine Larue' have to do with a man found dead in the hills around the Nappa Valley?

A suicidal playwright, finding himself unable to do the deed on his own, attempts an unconventional method involving the confession of a dark secret from his past.

A young engineer is charged with transporting secret documents across the English channel - but criminal elements are on his trail and things soon start to go wrong.