Netflix describes the anime:
Amidst 19th century England’s stifling inequality, William James Moriarty plans to overturn the repressive class system and create a more just society.
The anime premiered its first half in October 2020, and premiered the second half on April 4. The show had a total of 24 episodes.
The story’s protagonist is James Moriarty, the famous antagonist from Sir Arthur Conan Doyle‘s Sherlock Holmes series. In the manga, he is an orphan who assumes the name William James Moriarty when he and his younger brother are adopted into the Moriarty family. As a young man, he seeks to remove the ills caused by England’s strict class system.