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.
A series of three programmes, shown on BBC2 on successive Sunday evenings.
Part One: Doctor and Detective on 10th December at 9.oopm
Part Two: Fact and Fiction on 17th December at 9.00pm
Part Three: Shadows and Sleuths on 24th December at 9.00pm
Or watch NOW on BBC iPlayer!