The mysterious death of Merlyn Temple, a traumatized young girl, sets off a series of events that leave some townspeople questioning the motives of their charming sheriff, the last person to see her alive.

Fleeing deep into the woods from Sheriff Lucas Buck, young Caleb takes refuge in an eerie, abandoned hunting lodge and is terrified when he discovers a dying man who has been tortured and is being held prisoner there.

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.

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.

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.

Sheriff Lucas Buck gets revenge --in his own chilling fashion-- on four men who move to Trinity and set off a crime wave.

Merlyn borrow's an unborn child's spirit and reappears as Halle. Both Lucas and Caleb realize what has happened, and while Lucas tries to keep Merlyn in his world, Caleb knows she must return the spirit to the baby before it's too late.

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.

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.

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.

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.

Artie, le frère de Ben Healy, attaque à main armée une boutique de Trinity. Ben et Lucas se rendent sur place et accidentellement Ben tire sur Artie. Artie, blessé mais toujours conscient, prend alors Lucas en otage et déclare porter sur lui une bombe.

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.

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.

Upon Gail's announcement, she faints in Lucas' office and is taken to the hospital where she is told that she is pregnant. Gail threatens to have an abortion and even attempts to kill herself because she knows that she is carrying the evil offspring of Lucas Buck.

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 est enterré, mais Merlyn découvre qu'il est toujours en vie, quand elle se rend sur sa tombe pour l'interroger sur le comportement de Caleb. De son côté, Billy comprend d'après des analyses médicales que Lucas n'est pas mort.