Sherlock Holmes’ problem with disturbing dreams proves to be both an impediment and an aid in the search for a missing woman.

For years, a blackmailer has been preying on the weaknesses of others throughout London. When Holmes hears of the utter misery this mystery man is creating, he adopts a campaign…

A stern father and lenient mother try to deal with the ups and downs of their four children’s lives in working class Bolton.

Mary Morstan has received a pearl in the post every year since her father’s disappearance; this leads Holmes and Watson to the truth about a secret pact between four convicts…