Arthur Conan Doyle has just killed off Sherlock Holmes in The Final Problem and he immediately becomes one of the most hated men in London. So when he is contacted by a medium of some renown and asked to investigate a murder, he jumps at the chance to get out of the city. The only thing is that the murder hasn't happened yet. The medium, one Hope Thraxton, has foreseen that her death will occur at the third séance of a meeting of the Society for...