
In the spring of 1932, with Londoners terrorised by a series of brutal murders, the private detective agency of Messrs. Singleton & 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
- & a premonition that the London murders signal terrible danger for mankind. Their investigation will take our intrepid heroes into a world of seances & spirits. Aided by the most famous detective of all time, they must draw on their knowledge of the imaginary to find the perpetrators of some very real & bloody crimes before they strike again.