After the sudden death of her husband, Kate Turner is looking for a fresh start for herself and her teenage daughter, Alex. They relocate to the beachside town of Shoreham, Florida, where all is not as sunny as it seems. Although Kate makes fast friends with a trio of fellow moms, their daughters take an instant dislike to Alex, who attempts to document their bullying in her video diary. Kate brushes off Alex’s concerns—until she receives a series of chilling warnings about the clique of moms from other parents and neighbors.

Work colleagues Nicole, Margo, Paisley and Audrey all appear to be looking forward to a weekend away at Nicole’s luxurious beach house on the Dorset coast. It should be a chance for the women to kick back, relax and regroup after a stressful moment at work. But this is no normal girls’ getaway. And the beach house is no normal home. This place holds dark secrets for Nicole, which threaten to be revealed when its doors are opened. And unbeknownst to host Nicole, each of the three other guests all have secrets of their own…and some of them could be deadly.

Whatever doubts I've had about my fiancé, I'm determined this will be the happiest day of my life. I smooth the expensive white silk of my perfect dress and retouch my makeup, trying to cover the dark circles under my eyes. But when I go to find my daughter, her room is empty. My beautiful girl has vanished.

She bursts into my life like a storm, and nothing is the same again. One by one, I watch as my friends fall under her spell. Only I see that her smiles don’t reach her cold, furious eyes. And when I’m accused of things I didn’t do, when my home is vandalized, I know she’s behind it. But she only lets her mask slip when no one is looking, so if I say anything, I’ll look crazy. So when the baby shower comes around, I’m sitting on a velvet sofa in a posh hotel room, surrounded by balloons. But that afternoon, I finally learn the unbelievable truth. There is no baby....

When Abby steps off the ferry and onto the isle of Kinlossay, she squeezes her daughter’s hand and prays this trip was not a mistake. For the last year she has been receiving letters from a mysterious stranger detailing every moment of his life on this rugged little island. Swept away by descriptions of buttercups dancing on rolling fields, his words were a lifeline to Abby, filling her grey life with colour. But then, one day, the messages stopped.

Then: Morning light shines into the nursery, casting shadows across the pale pink walls and wooden cot in the middle of the room. She opens the door expecting to hear the soft coo of her daughter, Sofia, stretching herself awake. But the room is silent. The cot is empty. Her little girl has vanished. Now: Twelve years have passed, but Emily will never forget the night her life changed forever, and she’s happy to have her daughter back beside her. A teenager now, Sofia started asking questions about when she was a baby.

When I accepted a job working as a nanny for David and Julie and their young children, I was excited to be making my own way in the world. I bonded with baby Chloe instantly and would have done anything for her. She had David's thick, dark hair and smiling eyes. I fell in love with her and was excited for my future. But when a terrible mistake led to Chloe disappearing, I was instantly blamed. With no evidence, I was let go and I returned home to rebuild my life. Twenty years later and I am still haunted by what happened.

Just six hours ago, Alex and I were married. It was a beautiful wedding by the sea, on the beach we’ve always loved. Our guests crowded outside our beach hut to raise a toast before our first midnight swim together as man and wife. And then, suddenly, he was gone, drowning in the water that meant so much to us.

Therapist turned stay-at-home mom Jules Hart’s idyllic suburban life shatters when she crashes her car into an icy lake. Her son and another teenage boy plunge into the water with her, but Jules can only manage to save one—the wrong one. Reeling from the death of her son, Jules spirals into a violent and unstable mental state. Ten months after the accident, she’s still trying to reckon with the fact that she rescued Isaac Greer, another woman’s child, when Isaac suddenly vanishes.

Cameron and Lisa Murdoch are successful crime-writers. They have been on the promotional circuit, joking that no one knows how to get away with crime like they do. After all, they write about it for a living. So when their 7 year old son Zach goes missing, naturally the police and the public wonder if they have finally decided to prove what they have been saying all this time - are they trying to show how they can commit the perfect crime?

On her fortieth birthday, Celia Guest has reason to celebrate. She has a loving marriage, a beautiful Connecticut home, and treasured friends. Celia has everything she’s ever wanted. But among the cards and well-wishes, she discovers a disturbing note: You don’t deserve any of this. Who could be so cruel, so resentful, so…knowing? Then, in the early morning hours, Celia vanishes without a trace.

Waitress Kit Lowman knows that people look down on her and the job she does. But being anonymous offers Kit safety and security and allows her own terrible secrets to remain hidden. And then Kit’s luck changes, and she suddenly faces a terrible dilemma: reveal her true identity and accept that life will never be the same. Or stay in the shadows…where she hopes she’ll be safe? But secrets can’t stay hidden forever. And the more Kit tries to hide away, the more someone makes it clear that they are going to make her pay for what she did.

Heart Resort, a private resort in the Outer Banks, is a romantic getaway for couples but a hotbed of family drama for its proprietors, the Puso family. Brandon Puso, the youngest of the four siblings, prefers life on his own as a licensed contractor in DC after a falling-out with his eldest brother. After a hurricane plows through the Outer Banks, Brandon has a change of heart. He returns to the resort to help with the grand reopening but encounters his big sister’s best friend, designer Geneva Harris, who’s there to do the same thing. But Geneva and Brandon have a secret. 

As a hospice nurse, Zara Mitchell has already seen more death than most people will experience in a lifetime. So when her older sister asks her to help care for their ailing grandmother, Zara agrees - despite strained family relationships. Though pale and tired, Nonna has lost none of her sharp mind. She’s fixated on finding something long forgotten, and she immediately puts Zara to work cleaning out the attic. Amid the tedium of sifting through knickknacks and heirlooms, Zara also reconnects with a man she’s attracted to but whose complicated past makes romance seem impossible.

Brooke is a divorced single mom, financially strapped, living with her mother, and holding tight to the one thing that matters most: her two-year-old daughter, Etta. Then, in a matter of seconds, Brooke’s life is shattered when she’s carjacked. Helpless and terrified, all Brooke can do is watch as Etta, still strapped in her seat, disappears into the Los Angeles night. Miles away, Etta is found by Molly, a homeless teen who is all too used to darkness. Thrown away by her parents, and with a future as stable as the wooden crate she calls home, Molly survives day to day by her wits.