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.

Offender profiler Frank Black, a member of the private investigative organisation Millennium Group, is sent to San Francisco to track down a doomsday cult which murders its brainwashed members when they disobey it.

Frank and Peter assist an FBI investigation when a mad bomber terrorizes Washington, D.C, by blowing up buildings then to come out looking like a hero, the bomber goes back into the wreckage to save victims. Frank and Peter help search for the bomber whose attention starved personality may be the key to his undoing.

At a Seattle cemetery, James Dickerson, a handsome 20-year-old, lurks outside the chapel during a college football player's funeral. After the mourners leave, James approaches the deceased's mother and sister. Calling himself "Ray Bell," he gains their trust by pretending to be a friend from college. He hugs the boy's grieving mother, savoring the hug in an unsettling way. That night, the mother visits the open grave one last time, when suddenly hands reach out of the grave, and drag the terrified woman inside.

Maddie Haskel, twenty-years-old and heartland pretty, attends her mother's funeral in Joplan, Missouri. After the service, Maddie returns to her family's home, where she is approached by a vicious-looking man named Jim Gilroy. Gilroy's attempt to rape Maddie comes to a sudden halt when Maddie's boyfriend, Bobby Webber, emerges from the shadows wielding a length of iron pipe. After Gilroy is knocked unconscious, Bobby and Maddie drive off into the night with their prisoner safely tucked away in the trunk of their automobile. A Missouri State Trooper notices the vehicle has a burned-out tail light and orders Bobby to pull over. When the trooper hears noises emanating from the trunk, Bobby grabs a .357 and shoots and kills the trooper.

Near the University of Colorado at Boulder, a group of college-age students gather at a warehouse/techno night club. Art Nesbitt, a pharmacist, approaches a couple, Mel and Leslie. He opens his palm, revealing two capsules. Under the influence of the powerful drugs, the couple accompany Nesbitt to a small room. Nesbitt captures their lovemaking on videotape, then injects them with a lethal poison.

A sudden hail storm sends students at Washington Polytech scrambling for cover. But one of the students, Lauren, wades through the downpour as the hail changes to rain. She approaches a teaching assistant who has taken cover in a breezeway. Lauren reaches for the woman's cigarette-and suddenly bursts into flames.

Frank's brother, Tom, and his wife, Helen, travel to Seattle where they hold their newborn son's baptism. After the ceremony, Frank checks up on Jordan, who is off playing with a friend inside the church. He finds his daughter huddled in a ball on the pew, clutching herself. She speaks of a man she saw hurting her Aunt Helen. Frank rushes outside the church. He finds his baby nephew unharmed in the back seat of Tom's rental car, but notes a blood droplet on the infant's face. Frank and Tom realize Helen was abducted.

Peter Watts tells Catherine that Frank missed a routine homicide review with Yakima police that morning. Fearing the worst, Peter and Catherine access Frank's computer, looking for clues that would shed light on his disappearance. The pair uncover email correspondence between Frank (using the pseudonym "David Marx") and a Doctor Daniel Miller. Catherine tells Peter that five years ago, just before Frank collapsed, he would sometimes vanish for days at a time and check into hotels using the same pseudonym.

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.

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.

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.

In the Brighton Beach area of New York City, a man named Yaponchik kills a Russian Elder by shooting him in the face with a 12 gauge pistol. It becomes the third such killing in which the perpetrator mutilated the body to prevent positive identification. Frank assists N.Y.P.D. Lieutenant McCormick, Yura Surova, from the Moscow Police Department, and undercover officer Andrei Medikov with the investigation. While inspecting the Elder's corpse, Frank notices an odd mark in the shape of a inverted "V." But he is unable, at first, to determine its meaning.

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.

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.

Frank aids in the search for a man who is supposedly carrying a highly contagious virus and discovers the secret behind the Human Genome Project.

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

Millennium Group offender profiler Frank Black investigates the abduction of a bus full of schoolchildren, requiring the help of fellow Group members Peter Watts and Lara Means as he tracks a man preparing for a third world war.

Frank and Watts travel to Germany where they seek a legendary Holy relic.

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.

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

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.

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

Asylum inmates become prime suspects in a series of murders linked to an urban legend.

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.

A mysterious Asian woman is linked to several strange deaths aboard a ship.

Frank searches for a female serial killer and her lover after the pair escape from prison.

Catherine and Lara investigate when five girls claim they saw a vision of the Virgin Mary.

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

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.

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.

Frank and Emma investigate a family of identical women who are apparently being killed off.

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

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