Someone's been sending Gemma compromising photos. Photos she doesn't remember posing for. She can't recall much about that night during a work conference - she'd written off her headache the next morning as the result of too much drinking at the hotel bar. But then increasingly disturbing photos start appearing in her email, along with bills and other items she can't account for. As the blackmailer grows bolder and events start to escalate beyond her control, Gemma fears for her already shaky marriage and worries that the truth of what really happened that night must be more twisted than she imagines.

As children, Sam and Elli were two halves of a perfect whole: gorgeous identical twins whose parents sometimes couldn’t even tell them apart. They fell asleep to the sound of each other’s breath at night, holding hands in the dark. And once Hollywood discovered them, they became B-list child TV stars, often inhabiting the same role. But as adults, their lives have splintered. After leaving acting, Elli reinvented herself as the perfect homemaker: married to a real estate lawyer, living in a house just blocks from the beach.

Hannah Monroe's boyfriend, Matt, is gone. His belongings have disappeared from their house. Every call she ever made to him, every text she ever sent, every photo of him has been wiped from her phone. His social media accounts have vanished. It's as though their last four years together never happened. There had been no warning signs, not a one. And as Hannah struggles to get through the next few days, with humiliation and recriminations whirring through her head, she knows that she'll do whatever it takes to find him again and get answers.

Beth has always known there was something strange about her daughter, Hannah. The lack of emotion, the disturbing behavior, the apparent delight in hurting others.... Luke comes from the perfect family, with the perfect parents. But one day, he disappears without a trace, and his girlfriend, Clara, is desperate to discover what has happened to him. As Clara digs into the past, she realizes no family is truly perfect and uncovers a link between Luke's long-lost sister and a strange girl named Hannah. Now Luke's life is in danger because of the lies once told and the secrets once kept.

Megan thinks that she has the perfect husband and the perfect life. Craig works so that she doesn't have to, leaving her free to relax all day in their beautiful and secluded country home. But when she starts to long for friends and purpose again, Megan applies for a job in London, much to her husband's disappointment. After Megan goes against his wishes and attends the interview, Craig decides that it is time to act. Locking her away in their home, Megan realizes that her husband never had her best interests at heart, nor did they meet by accident. Craig has been planning this.

"This is a very difficult letter to write. I hope you will not hate us too much.... My son broke into your home recently while you were out." In a quiet, leafy suburb in upstate New York, a teenager has been sneaking into houses - and into the owners' computers as well - learning their secrets, and maybe sharing some of them, too. Who is he, and what might he have uncovered? After two anonymous letters are received, whispers start to circulate, and suspicion mounts. And when a woman down the street is found murdered, the tension reaches the breaking point.

Lana Stone has never considered herself a stalker - until the night she impulsively follows a familiar face through the streets of New York's Upper West Side. Her target? The "anonymous" egg donor she'd selected through an agency, the one who's making motherhood possible for her. Hungry to learn more about her, Lana plans only to watch her from a distance. But when circumstances bring them face-to-face, an unexpected friendship is born.

Simon and Vicky couldn’t seem more normal: a wealthy Chicago couple, he a respected law professor, she an advocate for domestic violence victims. A stable, if unexciting marriage. But one thing’s for sure: absolutely nothing is what it seems. The pair are far from normal, and one of them just may be a killer. When the body of a beautiful socialite is found hanging in a mansion in a nearby suburb, Simon and Vicky’s secrets begin to unravel. A secret whirlwind affair. A twenty-million-dollar trust fund about to come due.

No visitors. No nights spent away from the apartment. No disturbing the other residents, all of whom are rich or famous or both. These are the only rules for Jules Larsen’s new job as an apartment sitter at the Bartholomew, one of Manhattan's most high-profile and mysterious buildings. As she gets to know the residents and staff of the Bartholomew, Jules finds herself drawn to fellow apartment sitter Ingrid. When Ingrid confides that the Bartholomew is not what it seems, Jules brushes it off as a harmless ghost story...until the next day, when Ingrid disappears.

College student Joe Talbert has the modest goal of completing a writing assignment for an English class. His task is to interview a stranger and write a brief biography of the person. With deadlines looming, Joe heads to a nearby nursing home to find a willing subject. There he meets Carl Iverson, and soon nothing in Joe's life is ever the same. Carl is a dying Vietnam veteran-and a convicted murderer. With only a few months to live, he has been medically paroled to a nursing home after spending thirty years in prison for the crimes of rape and murder.

When Megan discovers photographs of her estranged identical twin sister on her husband's phone, she wants answers. Leah already has everything Megan ever wanted. Fame, fortune, freedom to do what she wants. And when Megan confronts Leah, an argument turns to murder. The only way Megan can get away with killing her twin is to become her. But then lockdown hits. How can she continue living two lives? And what happens if someone else knows her secret?

As I sit in her dimly lit bedroom, surrounded by flickering candles, I feel the crushing weight of my daughter’s absence. It's been two years since Layla was murdered. The police have searched tirelessly for her killer, but they've found nothing – it's like whoever did it vanished into thin air. My once-perfect marriage is falling apart, we can hardly look at each other anymore. Our ten-year-old son Gale is struggling. He’s changed since she died. He’s more secretive and also…

Three months after four-year-old Holly Gebhardt was kidnapped, she was inexplicably returned to the same park from which she’d vanished...with no memory of the ordeal. Though a local handyman was convicted, suspicion also fell on his friend - Holly’s mother, Cecily. The troubling doubts about her involvement shattered the family, forever driving a wedge between mother and daughter. Twenty years later, another girl goes missing under eerily similar circumstances. It’s just the latest in a series of kidnappings that Detective Jason Guidry thinks Holly can help solve.

On a humid summer day in Alabama, a mayor’s wife turns up brutally murdered under a railroad bridge. Standing next to her body is fourteen-year-old Mason Hill, the autistic son of former Miss USA Genevieve Hill. The locals are quick to level their verdict on young Mason: he did it. The town detective calls in local autism expert Casey Walker to consult on the case. At first, Casey tries to keep an open mind. But the more time she spends with Genevieve, the more her unease grows, and she suspects that Genevieve is doing more than just protecting her son.

Following a traumatic event in London, Kirsty Woodhouse packs up her family and moves back to her native Wales. There she sets up her new home with her husband and two young daughters, and goes into business with her difficult mother managing a guesthouse in the Brecon Beacons. But when the guesthouse is ready to be occupied, Kirsty encounters the last person she ever expected to see: her estranged cousin Selena. It has been seventeen years since they last talked—when Selena tore everything apart between them. Why has she chosen now to walk back into Kirsty's life?