Something dark is lurking in the Louisiana bayou: a methodical killer with a penchant for medical experimentation is hard at work completing his most harrowing crime yet, taunting the authorities who desperately try to catch up. But forensic pathologist Dr. Wren Muller is the best there is. Armed with an encyclopedic knowledge of historical crimes, and years of experience working in the Medical Examiner's office, she's never encountered a case she couldn't solve. Until now.

It's a fear more paralyzing than falling. More terrifying than absolute darkness. More horrifying than anything you can imagine. It's the one fear you cannot escape, no matter where you run...no matter where you hide. It's the fear of yourself. It's real. It can happen to you. And facing it can be deadly.

Allander Atlasia is an infamous psychopath whose heinous crimes have earned him a lifetime stay at the Tower, the world's most extreme maximum-security prison. But after a brilliant and brutal escape, the criminal mastermind begins a killing spree that is intensely personal. Jade Marlow is an ex-FBI profiler and tracker whose fearlessness is only surpassed by the severity of his own inner demons. With a record of irrational behavior and a genius for putting himself into the mind of a criminal predator, he may be the one man diabolical enough to catch Atlasia.

David Sloane is the best wrongful death attorney in San Francisco. He's a lawyer who can make juries do anything. But despite his professional success, he's plagued by a nightmare of a childhood he cannot consciously remember. When he receives a package from a White House confidant who then turns up dead by apparent suicide, the contents reveal a history he never could have imagined.

It takes an obsessive mind to know one. And Daniel Clark knows the elusive killer he's been stalking. He's devoted every waking minute as a profiler to find the serial killer known only as Eve. He's pored over the crime scenes of 16 young women who died mysterious deaths, all in underground basements or caverns. He's delved into the killer's head and puzzled over the twisted religious overtones of the killings. What Daniel can't possibly know is that he will be Eve's next victim. He will be the killer's first Adam.

Late-night radio show psychologist Rain Sommers is used to the crazies calling in to rage from the shadows, but one caller’s chilling obsession with her and her long-ago murdered mother - an iconic singer beloved by the Goth community - has even Rain running scared as a serial killer known as the Vampire prowls New Orleans. FBI agent Trevor Rivette is convinced the caller and the killer are one and the same.

In a small town along the Mississippi River, separate but nearly identical attacks have left two married couples brutally murdered in their homes. A young boy—the lone survivor of the killings—now lies comatose in the hospital. And the police’s only lead is the boy’s terrified description of the assailant: a “monster."

FBI Special agent Brad Raines is facing his toughest case yet. A Denver serial killer has killed four beautiful young women, leaving a bridal veil at each crime scene, and he's picking up his pace. Unable to crack the case, Raines appeals for help from a most unusual source: Residents of the Center for Wellness and Intelligence, a private psychiatric institution for mentally ill individuals whose are extraordinarily gifted. It's there that he meets Paradise, a young woman who witnessed her father murder her family and barely escaped his hand.

Angela and Terry return home after several grueling months of filming the popular television show, Let's Switch Houses!, only to find their residence in ruin. Sure, the décor and framed photographs are the same; the color of the walls hasn't changed; the furniture sits unmoved. But something is off. Their quiet New Jersey home feels tainted. Angela can sense it. Crawling inside her. Infecting her mind. Poisoning her thoughts. Then the nightmares begin. Awful, lucid visions that cause her to question her own reality.

Rachel Harroway, a homicide detective with the ability to see the dead, balances the responsibilities of being a mother alongside her life's calling to guide orphaned spirits home. Teaming up with her long time homicide partner, Jensen Peak, she hunts for the latest crafty killer to strike in her little corner of the Appalachian Mountains. The investigation gets personal when her adopted daughter enters the crosshairs. How far will Rachel go to protect her own? How much will she be willing to give up?

FBI analyst Kassidy Bishop is assigned to the "'For You' Killer" task force after a series of sadistic murders bearing the same signature arise in different parts of the country. The homicides are both calculated and savage, occurring in different states, but bearing the same signature: the words "for you" scribbled at each crime scene. The case chills Kassidy, bringing back memories of her own encounter with a violent criminal five years earlier.

There are things in the darkness, things much worse than the tracks and abandoned pieces of equipment that trip the children up and gash at their feet and legs, things that brush silently past them, touching their faces before disappearing again....

All ATF Agent Jack Donovan wants out of life is to do his job and work on his strained relationship with his daughter Jessie after a nasty divorce. But in a ruthless act of revenge by a charismatic madman, Jessie is kidnapped and buried alive, with barely enough oxygen to sustain her. Now the only man who can save her, the only man who knows where to find her, has just been shot dead - and the clock is ticking... So what's a father to do?

When Jed Allen wakes up at a desk in New York City, he has no idea who he is. The evidence around him shows he's a hotshot architect, and a photo in his wallet reveals he has a beautiful girlfriend named Cassie. But when he goes home to seek her help, Cassie is nowhere to be found. Self-penned notes remind Jed that he's been suffering bouts of amnesia since a car crash nine months ago. As he plays private detective with the facts of his own life, he discovers more and more about his character.

In 1978, Laurie Strode survived an encounter with Michael Myers, a masked figure who killed her friends and terrorized the town of Haddonfield, Illinois, on Halloween night. Myers was later gunned down, apprehended, and committed to Smith's Grove State Hospital. For forty years, memories of that nightmarish ordeal have haunted Laurie and now Myers is back once again on Halloween, having escaped a routine transfer, leaving a trail of bodies in his wake.