In ONCE GONE, women are turning up dead in the rural outskirts of Virginia, killed in grotesque ways, and when the FBI is called in, they are stumped. A serial killer is out there, his frequency increasing, and they know there is only one agent good enough to crack this case: Special Agent Riley Paige. Riley is on paid leave herself, recovering from her encounter with her last serial killer, and, fragile as she is, the FBI is reluctant to tap her brilliant mind. Yet Riley, needing to battle her own demons, comes on board, and her hunt leads her through the disturbing subculture of doll collectors, into the homes of broken families, and into the darkest canals of the killer’s mind. As Riley peels back the layers, she realizes she is up against a killer more twisted than she could have imagined.

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.  

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.

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.  

Genevieve knows all about nightmares. She herself survived two months as a psychopath's prisoner. And now this new menace stalks the city. Spooked by the bizarre slayings, she turns to P.I. Joe Connolly, her past rescuer, friend and...hopefully something more, if he would just quit avoiding her. At first Joe isn't even sure there is a case. But the body count rises, and it's clear that a twisted killer is on the loose. Even more unsettling is the guidance he starts receiving from beyond the grave.

1800s. San Antonio, Texas: In room 207 at the Longhorn Saloon, in the long shadow of the Alamo itself, a woman renowned for her beauty was brutally murdered. Her killer was never found.

One year ago: In that same historic room, another woman vanished without a trace. Her blood was everywhere... but her body was never recovered. Now: In the last month, San Antonio has become a dumping ground for battered bodies. All young women, many of them long missing, almost all forgotten. Until now.

Jack "Mac" McCrae is about to retire. Without children or any family, he looks back over his career and his life and finds himself wondering what, if any, impact he's had on this world. Then a young woman reappears with a photograph of her mother - and his old lover - and an unknown child that might be her sister and his daughter. Mac agrees to accompany her to a small town in Oregon to get to the bottom of this mystery. Who is the little girl in the photograph? Is she his daughter? And where is she now?

Vienna. A city of history and culture, where Mozart, Freud, and Beethoven once walked the streets. For American university student Jake Meyer, it is a chance to recover from a family tragedy he left behind. Surrounded by the baroque palaces and charming squares of the city, he hopes to pull his life back together.

A split-second decision sends Marta Crawford's life spiraling out of control. On a business trip she meets the charming Todd Wilson and, much to her regret, wakes up the next morning in his bed. Filled with remorse, she tells Todd she's made a terrible mistake and flees, hoping to put her reckless behavior behind her. But Todd won't take no for an answer.

On the surface, Kit Caldwell has it all. A senior in college with her future ahead of her, lots of friends, lots of parties - not to mention also having the eye of Tommy, the star quarterback of the football team. But underneath, Kit's life is a charade, built on a foundation of secrets and lies, including one so dark it threatens to tear her world apart: her twin sister, Cat, was kidnapped when they were both seven, never to be heard from again. That is, until one dark Halloween night.

Some cryptic words wake college student Jess Ballard from a terrifying dream into an even more terrifying reality. Jess’ life has never been what anyone would call easy; doing damage control in the wake of your nomadic, alcoholic mother doesn't exactly make for a storybook childhood. But now, her world has fallen apart just when it should be coming together: her mother gone—dead under mysterious circumstances; her life uprooted to stay with estranged relatives she’s never met; and there’s something odd about some of the people she’s been meeting at school: They’re dead.

Fifty years ago, Roland Mills belonged to a violent activist group. Now, someone is willing to kill to prevent him from publishing his memoirs. When ex-FBI agent Elliot Mills is called out to examine the charred ruins of his childhood home, he quickly identifies the fire for what it is - arson. A knee injury may have forced Elliot out of the Bureau, but it's not going to stop him from bringing the man who wants his father dead to justice.

Someone's out to get Los Angeles bookseller Adrien English. His best friend has been viciously murdered, now he's getting weird phone calls and sinister gifts from a mysterious "admirer." The cops think he's trying to divert suspicion from himself - with the exception of sexy and homophobic homicide detective Jake Riordan. Is Riordan really such a great detective - or does he have a few secrets of his own? Is his offer to help Adrien on the level or is he out to nail his favorite suspect - to the wall?

There were four of us down there for the first 32 months and 11 days of our captivity. And then, very suddenly and without warning, there were three. Even though the fourth person hadn’t made any noise at all in several months, the room got very quiet when she was gone. For a long time after that, we sat in silence, in the dark, each of us wondering what this meant for her and for us, and which of us would be the next in the box. Never get in the car.

On a train with her husband, miles from home and their four-year-old son, Ben, Sophie receives a chilling phone call. Two boys are in hospital after a tragic accident. One of them is Ben. She thought she could trust Emma, her new friend, to look after her little boy. After all, Emma’s a kindred spirit - someone Sophie was sure she could bare her soul to, despite the village rumours. But Sophie can’t shake the feeling that she’s made an unforgivable mistake and now her whole family is in danger.