Caleb is trying to find the full potential of his powers by attempting to kill Gail, leaving him sole heir of Lucas' will. But, when Lucas finds out what Caleb is up to, he attempts to save Gail. Lucas and Caleb have an evil face-off.
Yancy can't find certain files and believes Lucas has them. Billy and Selena go to Lucas' house to look for the missing files and end up making love in Lucas' bed.
Lucas and Caleb forge a bond when facing matters of life and death. After Caleb is electrocuted and dies at the hospital, Lucas steps in and brings the boy back to life.
Dr. Matt struggles with his alcoholism and the death of his family. Lucas tries to push him over the edge by offering him a drink and forcing the bizarre memories of his wife and daughter.
Artie, Ben Healy's brother, holds-up a local store in Trinity for a cheap watch. Ben and Lucas respond to the robbery and Ben accidentally shoots Artie. Artie, injured but still conscious, takes Lucas hostage.
Dr. Matt decides to re-investigate the murder of Merlyn. He also is curious when a woman checks into his hospital as Mrs.Smith. She begins to tell Matt all about the evil of Lucas and how she wants to kill him.
A sudden, mysterious bleeding illness quickly spreads through Trinity, causing death and devastation, as well as the arrival of a new doctor, Dr. Peele. As the townspeople fall victim to the plague, Matt suffers a breakdown and Lucas turns to Dr. Peele for help.
Lucas may have corrupted the local priest, Father Tilden, and he may be able to take his revenge on townspeople who cross his path. But not even he can control the seemingly miraculous activities of the dead Merlyn, determined to make Lucas answer for his crimes.
Radio talk show host Mel Kirby approaches Lucas for help in bringing his show to television. When Lucas refuses Mel and his co-anchor wife, Gloria vow to ruin Lucas. Meanwhile, a depressed Caleb decides he wants to give Merlyn a second funeral.
Sheriff Lucas Buck gets revenge --in his own chilling fashion-- on four men who move to Trinity and set off a crime wave.
When Jack Drey, a South Carolina state police lieutenant, throws his weight around in the investigation of the disappearance of his adulterous brother-in-law, Hack Weller, Sheriff Buck becomes wary. Drey suspects that Weller's obsession with Selena might have driven a vicious Buck to kill him.
Gail may have pushed Sheriff Buck too far when she accuses him of foul play in the death of his former girlfriend, who was with him just before her car mysteriously drove off a bridge.
Carter Brown panics when Sheriff Buck wants his teen-age daughter to work for him as payback for an old favor. When he refuses, his life quickly begins to unravel.
Sheriff Buck calls in a favor from the local judge who is overseeing Caleb's custody hearing, hoping to ensure his favored status, but he doesn't stop there.
Everything is not what it seems in Trinity, South Carolina. Sheriff Lucas Buck develops a sinister interest in Caleb. Caleb's cousin Gail tries to protect him, but that's complicated since she has feelings for Sheriff Buck. And Caleb's dead sister, Merlyn, returns as an angel, warning him that Buck is an incarnation of evil - and may not be human.