An investigator confronts a traumatic past and secrets that have plagued her family for so long. Was Jim Mordecai, their husband, stepfather and grandfather a notorious serial killer?
Sierra Barter suspects her step-grandfather may have been a serial killer.
Sierra sees if Jim sexually assaulted students or if his crimes escalated.
Sierra finds information about the night that changed her family forever.
Sierra's investigation, and her family's journey, reach a stunning finale.