Michael and Rebecca Hargon vanish from their Mississippi home along with their young son; investigators discover Michael has recently come into an inheritance, and they are forced to confront the idea that his recent good fortune may be a factor.

Forensic technology years later solves the case of 20-year-old student Cathy Torrez who was found dead in the trunk of her own car.

In January 2014, Nathan and Krystal Maddox are gunned down just seconds after leaving a remote church in Texas; the brutal double murder leaves a close-knit community traumatized.