In Monte Carlo he meets Madame d'Espere who gives the impression that she is in possession of some sort of occult power.
In Paris Middlesborough is introduced to a strange, secret club whose members participate, by lot, in duels to the death each fortnight.
"[2] A note in The Newcastle Morning Herald and Miners' Advocate stated: "In this, his latest production, the author has abandoned his famous creation, Dr. Nikola, and introduces to us a female character as unreal and devilish as the former.
The incidents are mainly laid in Paris, and are sensational enough to satisfy the most exacting lover of literature of that kind.
The volume is a good illustration of Boothby's popular style, and will doubtless find many readers amongst those who read only to forget.