Everyone loves a good murder mystery, and when discussing good thrillers, two names that always come up are Agatha Christie and Sherlock Holmes. AGATHA CHRISTIE - a golden child of the Edwardian era who captivated all those who encountered her, few could have guessed that there was a darker side to this most English of roses, and that crime, most notably murder, would indelibly write Agatha Christie's name in the pages of history. This documentary will explore the mystery that is Agatha Christie and follow the clues left in the legacy of her writing to reveal this extraordinary author and extremely private person. SHERLOCK HOLMES' LONDON - Join super sleuth & expert presenter Mark Conroy on a tour of the most famous sites in London which have been immortalized through the legendary stories of Sherlock Holmes. On tour, we examine the famous links and locations within the Sherlock stories to the deadly Moriarty and the criminal underworld of the Victorian age - which bring to life the world's most renowned and acclaimed fictional detective.