Like most of the rest of Texas, Blacklin County is being overrun with feral hogs that destroy farmland and crops. There's hardly any defense against these pests, but they haven't been the cause of murder. Until now. A mother and son have opened an animal shelter in the county and they welcome even feral hogs. Someone's threatened them by slaughtering one of their animals. Then Sheriff Dan Rhodes stumbles across a dead man in the woods ...