Sir Arthur Conan Doyle, Harry Houdini, and Stratton are assigned to tackle the mysteries that defy resolution by others. These cases test their perceptions of reality. Houdini approaches them with skepticism, whereas Doyle has faith in the supernatural. Their differing perspectives complicate the process of solving crimes, frequently placing Stratton in a difficult position. Together, they confront cases involving vampires, ghosts, monsters, and poltergeists—or could these be elaborate disguises for murder?