They All Must Die

What baffles Detective Latoya Copeland about the homicide investigation that she'd been working is not only the gruesomeness of the victims' remains, but that their killers were all dead themselves! There are no leads, and there are no motives, but there is one similarity... the victims were all millionaires who, at some point, had intimate dealings with the women who killed them. And when Latoya is met by a woman who introduces herself as Nikki, she soon learns that not only did she have some sort of sadistic attachment to the victims' killers, but that she knows grave details about how and why the men were killed in such horrid fashion, and she came with plenty of horror stories to tell. And with nothing more than just Nikki's word to go on, Latoya is inclined to listen to everything that she has to say, and the truth about Nikki's phantomized existence would ultimately be revealed-