A modern update finds the famous sleuth and his doctor partner solving crime in 21st century London.
Why is someone destroying images of Margaret Thatcher? Is there a madman on the loose? Or is there a much darker purpose at work?
Sherlock faces perhaps the most chilling enemy of his long career: the powerful and seemingly unassailable Culverton Smith – a man with a very dark secret indeed.
Holmes and Watson travel to Europe to escape Moriarty's vengeance.