Gemma Ballantine is getting ready for work one morning when her eldest child comes running down the stairs saying the words every mother dreads. The front door is open. And her six-year-old daughter has disappeared. Frantic with fear, Gemma starts a nail-biting search for her little girl. After what feels like forever, her mother-in-law, Diane, finds Katie wandering lost a few streets away. Relieved to have her youngest child back in her arms, breathing in the sweet scent of her hair, Gemma thinks the nightmare is over. But then her perfect family starts to fall apart....

"Are you my mummy?" Tessa Markham returns home to find a child in her kitchen. He thinks she’s his mother. But Tessa doesn’t have any children. Not anymore. She doesn’t know who the little boy is or how he got there. After contacting the police, Tessa is suspected of taking the mystery child. Her whole life is turned upside down. And then her husband reveals a secret of his own. Tessa isn’t sure what to believe or who to trust. Because someone is lying. To find out who, she must confront her painful past. But is the truth more dangerous than Tessa realises?

From the moment I meet my new mother-in-law in her beautiful country house, she makes it clear I’m not welcome. Lilian Fletcher hates me for marrying her precious boy on a golden beach far away from her. Starting our marriage living in the Fletchers’ family home is a nightmare. Then I discover Seb was married before and his first wife is dead. I wonder why the man I love didn’t tell me the truth. And I wonder what happened to her: the woman who came before me. How did she die?

When Louisa Sullivan takes her little boy to his first playdate at a new friend’s house, she doesn’t realize life is about to change for her family. Because she’s about to meet Darcy Lane. Darcy is a woman who has everything—a dream house, a powerful husband, and enviable wealth. She’s the perfect wife. The perfect friend. The perfect liar.

It was supposed to be the happiest day of her life. Zoe was sitting in her hotel room, in her perfect white dress, looking forward to the moment when she would make kind, handsome Toby her husband. Then, there was a blank. They said she must have fainted, overcome with emotion. But nothing felt quite right afterward. Did something happen in that missing time?

Seven-year-old Beatrice has gone missing. Her mother Claire’s whole world has been turned upside down in just one moment, and she can’t stop shaking. She’s desperate to find her precious daughter, but nothing about the day she disappeared makes sense.

When Anna Blackwell opens an email from an unknown sender, the shocking image attached shatters her perfect world. A woman has been killed. And Anna knows who did it. The past is catching up with her. Is it her turn next? To protect herself and her husband, Will, she must tell him the terrible truth about her first love. But as the secrets of her life unravel, Anna begins to realize that she is not the only one who has been living a lie.

Kirstie Rawlings is jolted awake by a child crying. Racing upstairs to check on her newborn, she is plunged into every parents’ worst nightmare. She hears an unknown voice in the baby monitor, saying: "Let’s take the child - and go." Is someone trying to steal her little girl? In the bedroom, her daughter is safe asleep in her cot. Is the voice coming from a nearby house? But there aren’t any other children living on her quiet country road....

Our new home was supposed to be a chance to leave our past behind. But was moving here the worst mistake of our lives? All our friends and family were gathered, glasses raised to toast our fresh start. It should have been a night for happiness and celebration. Zac and I had worked so hard for this: our first home together, just minutes from the sea. But the dream quickly turned into a nightmare.

Lizzy Beresford is at home alone when she finds a chilling letter in her kitchen. Someone has been into her home - someone who wishes Lizzy harm. In her little country cottage, with her doting boyfriend, not far from the close-knit village, Lizzy can’t imagine who might want to hurt her. But when the threatening letters keep coming, she starts to suspect everyone around her. Desperate, Lizzy reaches out to her sister, Emma. They haven’t spoken in years, not since the argument that tore them apart. But Emma says: ‘I’ve been receiving letters too....’

When Mia James is washed up on a beautiful, sun-drenched beach, she has no idea who she is or what happened to her. She doesn’t even recognize her own face–until her boyfriend, Piers, comes forward, providing her with an identity. Piers is handsome and attentive, Mia’s home is huge and stylish, and her friends are eager to help her fill in the blanks. As Mia steps into the perfect life she was living before her accident, she should feel lucky to be alive. But she struggles to adjust, lost for words around people she is meant to know and love, grasping for clues about who she is.

When Anna Hartley’s husband, Henry, calls her with a terrible, guilty confession, she can’t believe what she hears. It has to be a bad joke—the mild, predictable artist she married would never hurt a fly, let alone commit murder. But her confusion turns to horror when police find his body washed up on the banks of the Rio Grande.

Best friends Lindsey, Kendra, and Dani endure every parent’s nightmare when a tragic accident befalls their teenage boys, leaving one dead, another in a coma, and a third too traumatized to speak. Reeling from the worst night of their lives, the three mothers plunge into a desperate investigation of the bizarre incident. How could something so horrible happen in their wealthy Southern California suburb? They soon discover that the accident was just the beginning, and troubling discoveries lead to chilling questions: Do they really know their children? Do they even know each other?

Faye Townsend has planned the perfect summer trip for her family. But returning to the small seaside town her husband grew up in does not go to plan - the rain pours, and the long days become stifling. And then the unthinkable happens.... Her husband, Jake, and her six-year-old son, Dylan, go for an early morning walk along the beautiful, windswept clifftops. They don’t come back.

The invitation to her school reunion couldn’t have come at a better time for Chloe Flynn. Divorced, broke and bored at work, she’s living a life her teenage self would hate. Turning the clock back fifteen years might be just what she needs to wipe the slate clean and start again. And then there’s the chance she’ll bump into Nathan Blake, the one she still regrets letting get away…