In the spring of 1932, with Londoners terrorised by a series of brutal murders, the private detective agency of Messrs. Singleton and Trelawney quietly opens its doors in Bloomsbury. The first person to call on their services is a worried Lady Arthur Conan Doyle. She tells of mysterious events at 221 Baker Street - and a premonition that the London murders signal terrible danger for mankind. Their investigation will take our intrepid heroes into a world of séances and spirits. Aided by the...

Enter the world of supernatural crime investigation - In the autumn of 1934 a channel crossing to France takes a paranormal turn for private detective, Andrew Singleton, when he sees an extraordinary mirage and has an encounter with a lady in white. On arrival in Paris he is quickly drawn into a very unusual murder investigation in which the victim appears to have died of fright in his sleep. Who caused this death and how? And could there be some connection to Singleton's experience on the...