When Amish fathers are imprisoned in 1920s Ohio for failing to send their children to public school, their kids are snatched from the family, herded into group homes, and trained in "worldly ways." Such outrages prompt Caleb Bender to move his family to Paradise Valley, Mexico.

As Cassie closes in on the serial killer she's been hunting for years, the troubled teen she's taken under her wing goes missing. Cassie must take down a killer who is as ruthless as he is cunning. But can she do it alone, without losing her own humanity or her own life?

As Cassie closes in on the serial killer she's been hunting for years, the troubled teen she's taken under her wing goes missing. Cassie must take down a killer who is as ruthless as he is cunning. But can she do it alone, without losing her own humanity or her own life?