The Adventures of Sherlock Holmes and Dr. Watson (film) invited to The Diogenes Club by Sherlock's older brother Mycroft. The club hosts the most unsociable men of London, and they have banned talking. Once there, Mycroft, asks him to help Lady Eva Blackwell. She is being blackmailed by one of the most villainous men of London, Charles Augustus Milverton who is demanding £7,000 for some letters he has stolen from her, threatening to release them to the public if she does not pay the ransom. Upon their release, the letters would cause a scandal that would end Lady Eva's marriage engagement. Sherlock agrees to help her. The same day,
The Adventure of the Golden Pince-Nez Anna Karenina dies. The Granada TV adaptation with Jeremy Brett differs slightly. A heavily bearded member of the Russian Brotherhood lurks in the garden, and administers final justice to the villainous Professor. Anna's key was her own original. Dr. Watson is replaced by Sherlock Holmes's brother, Mycroft Holmes, due to the unavailability of Edward Hardwicke for the episode. During Holmes' brother's investigation at the crime scene with Inspector Hopkins, Sherlock Holmes mumbles about the irony that their father gave his magnifying glass to Mycroft who has always been depicted as lazy and lethargic. Also, Mycroft Holmes remarks that their father