This is the fourth time the mysterious criminal has struck. And again the same scheme: a billionaire is killed, and his wife is raped, beaten and chained to the corpse. And again the victim is an elderly man, and the surviving wife is a young beauty. Who's next on this list? How does the killer manage to stay one step ahead of the police? And, most importantly, why do rich heiresses disappear without a trace, barely having time to donate all their money to charity? Interpol detective Danny Maguire and the son of the first of those killed, Matt Daly, begin an investigation, not even imagining what labyrinths of human passions, hatred and revenge it will lead them to...