Feature-length drama, set between 1892 and the early 1900s, exploring the dark family past that drove Arthur Conan Doyle to create the world-famous detective - and then kill him off. A working partnership with a biographer called Selden leads Doyle into a psychological battle which reveals the truth behind his struggle with the famous character of Sherlock Holmes. Douglas Henshall, Tim McInnerny, Sinead Cusack and Brian Cox star