Shovel the coal and stoke the fires! In Episode 16, Bowman & the BFG take a trip to Vermissa Valley in and explore "The Valley of Fear", its colourful denizens and the complex virtues of Arthur Conan Doyle's fourth and final novel treament for Sherlock Holmes. Secret societies, smoking guns and revenge killings all feature on the menu in this "locked-room" mystery with a grand narrative back-story.