Join super sleuth and expert presenter Mark Conroy on a tour of the most famous sites in London which have been immortalised in the works of Sir Arthur Conan Doyle, through his legendary stories of Sherlock Holmes and his partner in 'crime' - Doctor Watson. On tour, we examine the famous links and locations within the Sherlock Holmes' stories to the deadly Professor Moriarty and the criminal underworld of the Victorian age - which bring to life the world s most renowned and acclaimed fictional detective of all time, a character which still excites the imagination of major film makers worldwide.