In North Dakota, a woman named Sally Dumont rides a horse to her farm. As Sally guides the animal to a stall in the stable, she discovers another horse, its coat stained with blood, lying on the ground inside its pen. As she kneels down next to it to investigate, Sally notices someone wearing a pair of rubber boots standing in the adjoining stall. Terrified, she makes her way to a phone and calls for help. Suddenly, the intruder looms up from behind and knocks Sally unconscious.

As Frank's marriage begins to crumble, a pack of vicious dogs terrorises a small town, and as Frank investigates he discovers several truths about the Millennium Group.

The disappearance of a child leads a town to accuse a recently released sex offender who may or may not be guilty. Frank and Emma arrive to determine the truth.

Frank receives a mysterious cassette tape filled with white noise and a visit from beyond the grave.

Frank and Emma attempt to locate a girl who escapes from a mental institution while Emma's father grows ill.

Frank investigates a series of murders that replicate a serial killer case from his past while Emma moves closer to the Millennium Group.