In 1955, Cleet Wrightman is found guilty of murdering a woman and sent to the Georgia State Mental Hospital to serve out his time until 1973. In spring of that year, young agent Red Farlow investigates the slayings of three members of the Goings family in Valdosta, but he was never able to apprehend the murderer.

Fifty years later, the surviving son hires Red to revisit the crime and track down the killer. As he begins his cold-case probe, uncanny coincidences emerge from a key witness and old interview files. He follows a lead to Cleet's hometown of Damville and its polluted Cracker Town area and discovers two brothers prone to violence are the ones speaking up the loudest against Cleet. But where is he? Cleet hasn't been seen since his 1973 release. Red believes the man is still alive and knows who the real killer is but finding both proves challenging.

Red's going to need more than old investigation files and DR. Goings's clinical notes if...