Paris, France - the city of love. French banker Liliane Genet has been looking for a man just like him for a long time. Smart, witty, well-built and successful, her new lover looks too good to be true. Maybe because he actually is... When detective John Montclair is called to investigate on her death, he quickly realizes that the killer knows what he's doing. He's a maniac but he's a pro. The victim was brutally murdered in the middle of sexual games yet the crime scene is perfectly clean. How did he manage to do that? Because there is one thing for sure: Liliane Genet was not the first one to fall for the dangerous sexual predator. And she won't be the last...