On the Dark Side of London, in an area where people live side by side with demons and other evil spirits and life flows according to completely different laws. The only thing that equalizes the population of this mystical part of the city with residents of other areas is responsibility for the crimes committed. And what’s more, there are a lot of crimes here. However, John Taylor, a private detective specializing in cases in which devilry is involved, knows this better than anyone else. This time he unravels the terrible story of a young singer, whose fans, one after another, commit suicide.