"When BAU agent Josslyn Castro is pulled into a case in New Orleans, her carefully guarded past threatens to unravel. Years ago, she was Klaus Mikaelson's greatest love-and a vampire. Now part of the FBI, Josslyn must keep her identity hidden as her two worlds collide. As her team investigates a string of supernatural murders tied to the powerful Mikaelson family, loyalties blur, old enemies resurface, and the line between justice and survival begins to bleed." Oc x Aaron Hotchner