Stacy Shaw has her whole life ahead of her. New job, new house, and now a baby on the way - everything she's ever hoped for is finally coming true. But on a warm summer night on the way home from work, she vanishes. The police race to find her, but the clues don't add up. Conflicting facts emerge as her story twists and turns, sending the trail spiraling in all directions.

Two years ago, Sara's husband left for the gym one morning...and never came back. His car was found. He wasn't. Unbelievably, the police report said, "no foul play suspected." There were a few sightings over the following months, but little else. Now, on the last day before summer break, her three children have gone missing from their schools, all at the same time. And the note under her windshield wiper asks one foreboding question: Are you ready to play the game?

Janey Markham is thrilled to be moving with her family to Buckingham Crescent, the smartest address in a desirable suburban town. Worried she’ll be excluded by the glossy local mothers, Janey is thrilled when she meets Tanya, the kind of woman she has always looked up to. Tanya takes Janey under her wing and her teenage daughter, Angel, is amazing with Janey’s little boy. As Janey and Tanya grow closer, Janey feels she can finally leave her troubled past behind.  

It is Erin’s 40th birthday party. Pink and silver balloons drift through her garden, the platters of food are empty and the recycling is overflowing with empty wine bottles. Erin mingles with groups of family and friends, surrounded by love and laughter. Then a little red envelope lands on the doormat and everything changes. Inside is a birthday card from somebody she never dreamed would get in touch. Its message is a chilling reminder of the dark past that Erin has worked so hard to bury, a past that could put her precious family in terrible danger....

Jack Stratton's a good guy on the ugly side of life. Eight years ago a bomb blew his world apart and he's been picking up the pieces ever since. Guilt has driven a wedge between him and the family he loves. When Jack hears the news that his foster-sister Michelle is missing, it cuts straight to his core. The police think she just took off, but Jack knows Michelle would never leave her loved ones behind - like he did. Forced to confront the demons from his past, Jack must take action, find Michelle and bring her home...or die trying.

Charlotte was supposed to be looking after the children, and she swears she was. She only took her eyes off of them for one second. But when her three kids are all safe and sound at the school fair, and Alice, her best friend Harriet’s daughter, is nowhere to be found, Charlotte panics. Frantically searching everywhere, Charlotte knows she must find the courage to tell Harriet that her beloved only child is missing. And admit that she has only herself to blame. 

When Claire sees Hannah Wilson at an exclusive Manhattan hair salon, it's like a knife slicing through barely healed scars. It may have been 10 years since Claire last saw Hannah, but she has thought of her every day, and not in a good way. So Claire does what anyone would do in her position - she stalks her. Hannah is now Mrs. Carter, living the charmed life that should have been Claire's. It's the life Claire used to have before Hannah came along and took it all away from her.

Rachel is afraid she may have done something terrible. She's sitting in a room, being asked whether she killed someone. She doesn't understand how her life has changed so completely. When she was younger, heads would turn when she walked into a room. Her children needed her; her husband adored her. But somehow the years wore that all away. She was so busy raising her children, looking after her parents.... 

Selena Murphy is commuting home on the train when she strikes up a conversation with a beautiful stranger in the next seat. The woman introduces herself as Martha and soon confesses that she’s been stuck in an affair with her boss. Selena, in turn, confesses that she suspects her husband is sleeping with the nanny. When the train arrives at Selena’s station, the two women part ways, presumably never to meet again. Then the nanny disappears. 

Brooke Nolan is a battered child who makes an anonymous phone call about the escalating brutality in her home. When social services jeopardize her safety, condemning her to keep her father's secret, it's a glass of spilled milk at the dinner table that forces her to speak about the cruelty she's been hiding. In her pursuit of safety and justice, Brooke battles a broken system that pushes to keep her father in the home.

On an island off the coast of Ireland, guests gather to celebrate two people joining their lives together as one. The groom: handsome and charming, a rising television star. The bride: smart and ambitious, a magazine publisher. It’s a wedding for a magazine or for a celebrity: the designer dress, the remote location, the luxe party favors, the boutique whiskey. The cell phone service may be spotty and the waves may be rough, but every detail has been expertly planned and will be expertly executed.

Alicia Berenson’s life is seemingly perfect. A famous painter married to an in-demand fashion photographer, she lives in a grand house with big windows overlooking a park in one of London’s most desirable areas. One evening, her husband Gabriel returns home late from a fashion shoot, and Alicia shoots him five times in the face and then never speaks another word. Alicia’s refusal to talk, or give any kind of explanation, turns a domestic tragedy into something far grander, a mystery that captures the public imagination and casts Alicia into notoriety.

When she was 9 years old, Melody Browne's house burned down, and it took all of her childhood memories with it. Now she's a single mother of a teenage boy living in Central London. She hasn't seen her parents since she left home at 15, but she doesn't mind. She's better off on her own. She works as a dinner lady at her son's school and has no idea where her humdrum life is heading. But one summer's night, a hypnotist inadvertently unlocks memories of her childhood, and her whole life is turned upside down.

Owen Pick’s life is falling apart. In his 30s and living in his aunt’s spare bedroom, he has just been suspended from his job as a teacher after accusations of sexual misconduct - accusations he strongly denies. Searching for professional advice online, he is inadvertently sucked into the dark world of incel forums, where he meets a charismatic and mysterious figure. Across the street from Owen lives the Fours family, headed by mom Cate, a physiotherapist, and dad Roan, a child psychologist. But the Fours family have a bad feeling about their neighbor Owen.

Visiting her family's South Carolina estate, socialite Gray Godfrey wakes from a night out to an empty bed. Her husband, Paul, is gone, and a thrashing hangover has wiped her memory clean. At first, she's relieved for the break from her tumultuous marriage; perhaps Paul just needed some space. But when his car is found abandoned on the highway, Gray must face the truth: Paul is gone. And Gray may not want him found. Her life is unraveling. When a stranger named Annie calls claiming to know Paul's whereabouts, Gray reluctantly accepts her help.