In Harris County, a woman is found bound by the side of the road. As Sgt. James Dousay works the case, he discovers that he may be looking for a serial killer.

In Charlotte, rookie Detective Norma McKee gets her first double murder: a young couple shot in their car by a backseat passenger. Inside the vehicle, detectives find what may be a vital clue, a baseball hat that might contain the suspect's DNA. In Birmingham, Detective Chris Anderson investigates the gruesome murder of a woman who is shot to death and then set on fire. Anderson hunts down his suspects, but it's the victim's family that reveals a final, disturbing twist in the case.