Generations ago the evil nobleman Lord Mulcaster lived on the Witching Hill estate. Now everyone who comes to live in the suburban villas erected on the subdivided estate succumb to the curse of Mulcaster's bad deeds, and are driven to evil acts. Uvo Delavoye, an indirect descendent of Mulcaster, has to work out the reasons behind the crimes and tragedies committed on the estate.

Written by Ernest William Hornung, the author most famous as the creator of the Raffles series of novels.