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.

Against the initial resistance of the Group, Frank travels to Portland, Oregon, to investigate a murder at an animal shelter. He meets with Jim Horn, a profiler and candidate for the Millennium Group. But Horn is distracted by his imminent divorce, and there is tension between him and Frank. When the killer strikes again, Horn is losing control, and Frank not only has to catch the killer who leaves grisly messages on his victims, but he has to contend with Horn as well who is more than ready to stop the murderer with terminal prejudice.

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.

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.

A desperate man sets out on a killing spree taking revenge on the holy men that he believes have led him to stray. Frank can see the man's sense of faith and the lack his faith could be the key to stopping this killer. Frank then puts himself in danger when he walks into a hostage situation at a small town church.

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.

Clinical social worker Catherine Black aids a family as they come to terms with the incestuous abuse they have suffered for decades. However, the father who is responsible still commands respect and political connections in the area, making the case a difficult one.

A man, Cutter, parks his automobile near a home with a "For Sale" sign on the front lawn. After speaking briefly with a realtor, Cutter signs his name in a guest book and makes his way through the house, where he takes particular interest in a little girl's bedroom. Later that evening, the owners return home and tuck their young daughter, Patricia, into bed. Later that night, Patricia suddenly begins screaming.

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.

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.

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.

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.

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.

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.

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

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.

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.

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

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

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.

The Marburg virus has apparently run its course. Several months after the death of his wife and a nervous breakdown, Frank rejoins the FBI and investigates a plane crash with a new partner.

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.