In the season premiere, Pathologically Evil, after four women vanish, fear grips Texan communities, and desperate families seek answers. With a potential serial killer back in the spotlight, Texas Ranger Jim Holland launches a high-stakes interrogation that tests wills and aims for the truth.

After Ranger James Holland receives a phone call from the Pennsylvania State Police, he finds himself face-to-face with a witness who could be the key to solving one of the oldest cold case mysteries in the history of the state.