After a welfare check is called in on a 53-year-old Texas man, police soon discover him shot to death in a Louisiana swamp that's 450 miles from his home; detectives devise a sting operation to track down his killer and reveal a vengeful murder plot.

When a renowned Missouri snake breeder is discovered in a pool of blood, investigators believe his death was caused by one of his snakes; however, shocking evidence is found on scene, launching a homicide investigation that unveils a sinister plot.