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,
Walter C. Mycroft (1928) was based. Their friendship does not seem to have survived their collaboration. Mycroft was elevated to head of production at Elstree during the 1930s, during which time BIP was reconstituted as the Associated British Picture Corporation. The company released a large number of films on which Mycroft was credited as producer, with varying levels of actual involvement. His adopted son, David Rees Mycroft worked as assistant director on a number of Elstree productions. David Mycroft, who isn't mentioned in Walter Mycroft's autobiography "The Time of My Life", edited by Vincent Porter and published posthumously, was an experimental filmmaker, poet