At a truck stop near Las Vegas, 14-year-old Riley Jarrett vanishes from her family’s RV, turning their cross-country dream of starting over into a nightmare. Investigators have their work cut out for them. The massive, bustling truck plaza in the desert is the perfect place for someone to disappear - or be taken.

Juliana Daniels finally has the life she’s always dreamed of. A loving husband, a career as an attorney and a cosy apartment in Manhattan to call home. But when she gets a message from an old college friend, her blood runs cold. Remember me? Juliana drops her phone as though she’s been scalded. The name Jenny Teller shines out from the screen...but Jenny can’t have sent that message. Because Jenny is dead.

Janie Klassyn was only 14 years old when she made the blood pact with her friends. She could never imagine she was setting in motion the horrifying crime that would tear her peaceful prairie town apart. Twenty years later in California, school counselor Emma Grant struggles to keep her past buried. But when she finds a note on her car threatening to reveal her secret, it becomes harder to keep up the deception. Even her teenage stepdaughter suspects that Emma is hiding something.

From the outside, my marriage to Zach was perfect: a dream home, a perfect baby girl, and passionate, all-consuming love. But as I cradle my gorgeous baby, I have to accept that the husband who used to be my everything has changed. At first, it was little things: expecting me to keep to a strict schedule, picking out my clothes for me. Now, he controls every aspect of my life: from how much money I have, to when I leave the house, and who I can see. I know deep down, only one of us will make it out of this marriage alive. 

Ever since Steph’s husband walked out after a 30-year marriage, home hasn’t felt like a safe haven. Her daughter Bea thinks she’s imagining things. But Steph knows that the noises in the night, the open windows she knows she left closed, the strange smell in the kitchen - none of it feels right.

New friends Sam, Margaret and Diana are thrilled to be getting out of the city for a girls’ weekend - they’ve bonded over their messy divorces, and every mile on the odometer feels like another step towards putting their exes in the past. But when car trouble halfway into their trip strands them in the most unlikely of mountain towns, they come face-to-face with the hurts and betrayals they were so desperate to leave behind. When Diana doesn't return home after a night out, Sam and Margaret's search for her reveals just how little they know about their friend.

On a cold, misty Sunday night, two women are alone in the offices of fashion conglomerate Claudine de Martineau International. One is the company’s human resources director. Impeccably dressed and perfectly coiffed, she sits at her desk and stares somberly out the window. Down the hall, her colleague, one of the company’s lawyers, is buried under a pile of paperwork, frantically rushing to finish. 

A recent transplant from sunny California, life in the London suburbs is not what Taylor Watson expected. Far from the West End shops and city lights she imagined, she finds herself pregnant and lonely, with a husband frequently away on business and only social media to keep her company. It’s only after Taylor joins a book club and a walking group, that she finally starts to make some real-life friends. Before long, Taylor’s hanging out with Anna, Sarah, Simon, and Caroline, but, as her pregnancy progresses and her friendships blossom, a sense of unease develops. 

Detective Clements knows that people disappear all the time - far too frequently. Most run away from things, some run toward and others are taken but find their way back. A sad few never return. These two women are from very different worlds. Their disappearances are unlikely to be connected. And yet, at a gut level, the detective believes they might be.

Emily, a popular but bookish prep school senior, goes missing after a night out with friends. She was last seen leaving a party with Alex, a football player with a dubious reputation. But no one is talking. Now three mothers, Catherine, Leslie, and Morgan, friends turned frenemies, have their lives turned upside down as they are forced to look to their own children - and each other’s - for answers to questions they don’t want to ask.

The white-washed Italian villa is perfect. I thought it might feel odd, living in a stranger’s house for the summer, but as my husband and children swim in the infinity pool, I start to relax. And then, in the back of a wardrobe, I find something that shatters everything.... Sparkling green eyes, square jaw, lopsided smile. A young man with his arm around a beautiful woman. The picture is old and faded, but I’d recognize him anywhere. The man is my husband.

 Once Cait Du Bois vowed never to return to the place that reminds her of the horror she experienced. But when Hotel Lilith is chosen as the location for her high-school reunion, she finds herself unable to resist the appeal of showing off her new life to the people who once made her existence miserable.

Fifteen-year-old Ellie Mack was the perfect daughter. She was beloved by her parents, friends, and teachers. She and her boyfriend made a teenage golden couple. She was days away from an idyllic summer vacation, with her whole life ahead of her. And then she was gone. Now her mother, Laurel Mack, is trying to put her life back together.

When Rachel moves into a new apartment with her young daughter, Lily, it’s with a huge sense of relief. After escaping an abusive marriage, this perfect downtown fourth-floor rental, within minutes from the lake, feels like the new beginning the two of them deserve. But soon handwritten letters begin to arrive for someone called Annie. Alex says she was just the tenant who lived there before, who moved out one day without a word. Tentatively Rachel opens the first letter, intending to return it to the sender. 

Christine and Jessica cross paths working at the advertising agency Christine runs with her husband. These two women are about to uncover the dark secrets of their own traumatic pasts. But they have no idea that they are connected. The shocking truth of what happened at the wedding all those years ago, and what became of Margaret, is going to blow their lives apart in more ways than each of them could ever have imagined....