After devout, LDS mother Lori Vallow encounters a doomsday author, she descends down a path of darkness into a dangerous cult. The result is a trail of broken lives and dead bodies... including two of Vallow's own children.

A young veteran from Georgia mysteriously disappears after a bipolar episode. When the case goes cold, Nancy Grace joins the investigation and ensures a conviction, but an unexpected plea deal may hide the truth and prevent justice from being served.