Two women arrive in London, to pursue separate ambitions. After experiencing tragic personal events, they meet. Both, unwittingly, then willingly, are part of a plan hatched by the mysterious Master, who initiates them separately into the mysteries of the black arts.

Initially, they take revenge upon the perpetrators who had wronged the younger girl. Then, however, the real plot is put into place; a vicious, unrelenting path of murder and mayhem upon London. The aim is to cause maximum chaos and fear in a community of six million, whilst evading the pursuit of the worlds finest police...