Imagine A Killer Who Thinks, What Is The Worst Thing Anyone Has Ever Done? -- And Then Goes Far Beyond It! Four Women Who Come To Call Themselves The Women's Murder Club -- A Police Detective, An Assistant D.a., A Reporter, And A Medical Examiner -- Have The Mettle To Follow The Leads To An Impossibly Heart-stopping Conclusion, Tracking And Confronting The Most Terrifying Serial Killer Ever Imagined.