After leads dry up in a missing person case, Ennis, Texas detectives discover a severed body part at a nearby lake. After a DNA match is confirmed, they begin to uncover a rippling relationship that may have led to the death of a beloved father.

When a North Carolina man is found shot to death in a roadside ditch, robbery seems to be a plausible motive, but the case remains cold for years until a mysterious letter reveals a more sinister motive than anyone could have imagined.