FBI Special Agent and single mom Laura Frost, 35, is haunted by her talent: a psychic ability which she refuses to face, and which she keeps secret from her colleagues. Yet as much as Laura wants to be normal, she cannot turn off the flood of images that plague her at every turn: vivid visions of future killers and their victims.

FBI Special Agent Zoe Prime suffers from a rare condition that also gives her a unique talent - she views the world through a lens of numbers. The numbers torment her, make her unable to relate to people, and give her a failed romantic life - yet they also allow her to see patterns that no other FBI agent can see. Zoe keeps her condition a secret, ashamed, in fear her colleagues may find out. Yet when a serial killer strikes across the Midwest, strangling women in remote places and seemingly at random, Zoe, for the first time, is stumped.

FBI Agent Ella Dark, 29, is given her big chance to achieve her life’s dream: to join the Behavioral Crimes Unit. Ella has a hidden obsession: She has studied serial killers from the time she could read, devastated by the murder of her own sister. With her photographic memory, she has obtained an encyclopedic knowledge of every serial killer, every victim, and every case. Singled out for her brilliant mind, Ella is invited to join the big leagues. 

FBI Special Agent Rachel Gift is among the FBI’s most brilliant agents at hunting down serial killers. She plans on doing this forever - until she discovers she has months left to live. Determined to go down fighting, and to keep her diagnosis a secret, Rachel faces her own mortality while trying to save other’s lives. But how long can she go until she collapses under the weight of it all?

When 23-year-old Cassandra Vale accepts her first job as an au pair, she finds herself placed with a wealthy family in a rural estate outside of Paris, and all seems too good to be true. But she soon discovers that behind the gilded gates lies a dysfunctional family, a twisted marriage, troubled children, and secrets too dark to air.  

Alexa Chase, 34, a brilliant profiler in the FBI’s Behavioral Analysis Unit, was too good at her job. Haunted by all the serial killers she caught, she left a stunning career behind to join the US Marshals. As a Deputy Marshal, Alexa - fit, and as tough as she is brilliant - could immerse herself in a simple career of hunting down fugitives and bringing them to justice.

Haunted by his inability to track down and save his missing wife, DCI Robert Kett leaves the Metropolitan Police behind and moves to Norwich with his three young children, hoping to heal their broken family. But his newfound peace doesn’t last. Two newspaper delivery girls have gone missing in the city, and the clues point to a serial kidnapper. Kett is dragged into the centre of one of the darkest cases of his career - a case that pits him head-to-head against a horrifying evil.

It’s a hideous echo of a violent past. Across America, murders are being committed with all the twisted hallmarks of the Boston Strangler, the Zodiac Killer and Son of Sam. The media frenzy explodes and Nashville homicide lieutenant Taylor Jackson knows instantly that The Pretender is back… and he’s got helpers. As The Pretender’s disciples perpetrate their sick homages – stretching police and FBI dangerously thin – Taylor tries desperately to prepare for their inevitable showdown. And she must do it alone. To be close to her is to be in mortal danger, and she won’t risk losing anyone she loves.

A woman is found naked, badly beaten and barely alive in the New Mexico mountains. The shocking discovery plunges Albuquerque Detective Alyssa Wyatt into a case that will test her to the limit. It appears that Callie McCormick is the latest plaything of a shadowy psychopath that leaves a long shadow on the streets of New Mexico - an individual linked to a string of deaths but leaving no evidence. But when Alyssa makes a breakthrough that just might reveal the killer, she unknowingly puts herself in the crosshairs of a brutal maniac - one with an old score to settle.  

When a brutal serial killer defies all known methods, the police call in prolific lawyer and former homicide detective, Charlie Priest, to assist the hunt. Working together they soon discover a link to a lost scripture that contains a secret so devastating that its custodians are prepared to die to keep it. Tangled in a dark world of fanaticism, chaos and deadly secrets, Priest comes up against a nemesis more formidable and deranged than any he has previously encountered.

When the director of a local mental health hospital is found murdered and mutilated, Homicide Detective Reed Davies is first on scene. What was done to the body is gruesome. Inexplicable. But Reed is dealt another curveball when he finds that the doctor who discovered the victim is someone Reed is intimately familiar with - a woman with whom he shared one passionate night weeks before. Dr. Elizabeth Nolan is somehow tangled up in the crime, and even while Reed must now question her possible involvement, he can’t help being drawn to the beautiful, enigmatic woman. 

Dispatcher Zak Waller prefers working behind the scenes in the sheriff’s office of Lost Trail, Montana, but when a newcomer to the sparsely populated town is brutally murdered, and the sheriff is quick to pin the death on an unknown outsider, Zak starts his own private sleuthing.

The clock is ticking. They’re still missing. After handing in his detective badge, Mason Black now lives a stable life as a private investigator. But when the bodies of two children are discovered with messages written in blood, the pattern of a familiar killer emerges. Now, the Carter twins are missing, and only Mason can help. With his unique knowledge of the killer, he has an advantage over the San Francisco Police Department. While his marriage falls apart, he must choose between repairing his life or opening doors that were meant to stay closed. 

The bodies of a husband and wife are found in a patch of woods in small-town, rural Arkansas by a neighboring farmer. They were shot with an arrow, gutted, and left to bleed out. The killer also removed their eyes and replaced them with large cat’s-eye marbles. The murder method and signature are too bizarre to point toward an isolated incident, and FBI Special Agent Brandon Fisher recognizes this right away. His boss with the Behavioral Analysis Unit, Supervisory Special Agent Jack Harper, confirms that he’s crossed paths with this killer several years ago.

Her breath hitches, and her stomach lurches, tossing up bile into the back of her throat. The man holds the revolver to her head and says, “Let’s play a little game”. She closes her eyes with each pull of the trigger, almost praying for a bullet. They told her if the gun doesn’t kill her, they’d take their time...The recent murder of a defense attorney has Detective Madison Knight fueled to find justice for him and a lawyer who was killed eight years ago. She’d never solved that crime, but she’s always had a strong suspicion who was behind the murder.