Four devils gather at a doughnut shop and swap stories about their dealings with mankind.

Frank and Bob Bletcher hike across a remote snow-covered mountaintop in the spectacular North Cascades region of Washington State. Their trip is cut short when Frank receives an important page from the FBI.

A serial killer uses the internet as a medium for broadcasting his victims' murders.

Novelist Jose Chung authors a short story critical of a millennial self-help movement... and performs some profiling of his own when a college professor is found murdered.

In Wisconsin, in 1986, a farmer discovers thousands of dead birds inside his chicken coup warehouse, pools of blood encircling each cage. The farmer races for a phone, but collapses on his hands and knees, black papules having grown over his lymph nodes.

As Christmas approaches... Frank experiences visions from his childhood when Jordan claims to have been visited by the spirit of her dead grandmother.

Frank senses that Bletcher's killer is responsible for the disappearance of a teenaged boy.

In this continuation of the previous episode... Jordan, Frank and Catherine bury the dead parakeet, prompting more questions from Jordan regarding God and the hereafter. Later, a Millennium team clad in bioharzard suits sweeps into the Davis home, where earlier an entire family was wiped out by the mysterious virus. Outside the house, in the backyard, are a dozen dead birds of various species.

Attorney Al Pepper walks through a supermarket parking lot carrying a bag of groceries. A teenager, Sam, addresses Pepper and extends an open palm. Frank exits the supermarket and sees the two men. Suddenly, a bolt of light emanates from Sam's palm, knocking Pepper to the ground. Frank runs towards the scene, passing through panicking shoppers. When he arrives at Pepper's side, he discovers a handgun lying at Sam's feet.

Offender profiler Frank Black, a member of the private investigative organisation Millennium Group, retires to Seattle with his family after a breakdown caused him to quit working for the Federal Bureau of Investigation. Using his incredible profiling skills, Black helps in an effort to catch a vicious murderer who believes he is fulfilling apocalyptic prophecies.

Frank travels to Weber County, Utah, where he meets with Prosecutor Calvin Smith. The District Attorney's office convicted Sheriff William Garry of murdering his wife and three children. Garry had confessed to the crime, and his fingerprints were found on the murder weapon, a tool used for carving wood. Now all that remains is for the jury to decide if Garry should receive the death penalty. Smith hopes Frank can develop a psychological profile that will leave no doubt in the jury's mind that Garry is a cold, calculating murderer.

Frank is asked by Catherine's father to investigate a case involving a friend whose son has been convicted of murder, and is soon convinced that the murder is linked to a serial killer called The Woodsman. Having claimed his latest victim, the Woodsman takes the body to a secluded campsite, covers the body in plastic, buries her under a pile of leaves and strikes up a conversation. Later, he is given photos by a mysterious stranger and asked to use them as 'targets' for future killings - one of which includes Catherine Black...

After Catherine Black goes missing in the Seattle Airport in the previous episode, Frank Black desperately searches for his wife, who has been abducted by a cunning stalker who is luring him into a trap.

On Halloween, Frank experiences eerie visions and strange events that spark flashbacks to his youth—and a telling encounter with a troubled World War II veteran.

Frank enters a hospital emergency room looking for Catherine, who is working the night shift in child counseling. Suddenly, paramedics rush in with a bloodied woman on a gurney. Frank is inexplicably drawn to the stranger, and as he moves closer, notices a curved slash on her palm. He raises his own right hand, revealing a thin white scar which matches exactly the slash on the victim's hand. The woman dies from her injuries.

In rural Arkansas, Frank investigates the owner of a daycare center accused of child abuse, only to be accused himself.

Frank searches for a young man who disappeared in the Alaskan wilderness. In the Alaskan wilderness, the body of a young adult male, its face crushed beyond recognition, drifts down a river.

Lucy Butler returns to torment Frank. This times she is a nanny for a powerful Wisconsin politician.

Frank is held responsible for a man's death while Emma joins with the Millennium Group.

The discovery of the remains of the Crucifixion Cross threatens to divide the Millennium Group.

As the schism between the two warring Millennium Group factions deepens, Frank discovers the existence of yet another player in the power struggle.

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

When a new family moves into town, Jordan is filled with the uneasy knowledge that the devil is near.

Peter's daughter is kidnapped by a Gulf War veteran who hopes to force the Millennium Group into admitting their crimes. Frank and Emma attempt to help, but Peter seems determined not to betray the secrets of the Group.

Forensic profiler Frank Black, a member of the private investigative organization Millennium Group, is asked to investigate a vigilante who uses newly released convicts to execute those he deems guilty.