This is the story of a power struggle between two men - one fictional, and one real. In one corner is the master of crime – the greatest detective who never lived, Sherlock Holmes. In the other is writer, physician and spiritualist leader Sir Arthur Conan Doyle. Lucy Worsley explores the extraordinary love-hate relationship between author and creation.

The ultimate power struggle between the greatest detective who never lived and the writer who came to resent him. Lucy Worsley explores an extraordinary love-hate relationship.