Two-and-a-half-year-old Holly is playing happily in a pink, plastic playhouse, while her mother Rachel sips coffee and chats with a friend nearby. It should be an ordinary day for all of them. But, in the blink of an eye, it turns into every family’s worst nightmare. Holly is taken by a stranger and never found. Nine years later, Rachel is living a quiet life in Dorset. She’s tried to keep things together since the traumatic day when she lost her eldest daughter.

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? 

Tia never harmed anyone. So why does someone want to destroy her? Tia is walking home with her children, along the lakeside of their quiet, safe town, when she realizes something is wrong with her five-year-old daughter, Rosie. She seems troubled, not at all her usual happy self. But when Tia finally coaxes Rosie to open up, she wishes she hadn’t. Because her sweet daughter asks a question Tia never thought she’d hear. "Mummy, why did you kill someone?"

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....

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....

"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?

Marianne has a life others dream of. A beautiful townhouse on the best street in the neighbourhood. Three bright children who are her pride and joy. Sometimes her past still hurts: losing her mother early, growing up in foster care. But her husband, Simon, is always there. A successful surgeon, he’s the envy of every woman they’ve ever met. Flowers, gifts, trips to France: nothing is too good for his family. Then Simon says another woman’s name. The way he lingers on it, Caroline, gives Marianne a shudder of suspicion, but she knows it’s nothing - she can’t entertain this flash of paranoia.

Lucy has a kind and adoring husband, a job she loves as a teacher, and a house on Mulberry Avenue with floaty curtains and the softest bed linen. After her troubled childhood, she knows life will never be perfect, but it’s pretty close. She’s also got Amber, right next door. They never run out of things to talk about. Even if Amber’s life - with her high-profile job and handsome, wealthy boyfriend - is more glamorous than Lucy’s, they share a down-to-earth sense of humor. But then Amber starts to hint that her life isn’t all it seems....

Since Alice’s fiancé walked out on her, she never thought she’d meet "The One". But all that changes when she meets Dominic. Handsome, charming, and kind, Alice can’t believe her luck when he proposes a few months later and moves into her West London home. Three years on, Alice’s catering business is thriving and she is married to a man she adores. So when she sees that little blue line, it should be the happiest moment of her life: they’re going to have a baby. But then the police knock on her door and Alice’s whole world is turned upside down...Dominic is dead.

Claire is shocked when she receives a message out of the blue from Sophie, a beautiful young woman who tells Claire that she’s their father’s secret child. Having spent years nursing her sweet little daughter, Ella, through a life-threatening illness whilst dealing with the emotional fall-out of a devastating marriage breakdown, Claire feels tentatively excited to meet Sophie. Perhaps she might finally have someone in the family to lean on....

You thought they were just staying for the weekend. They looked harmless enough - with only two suitcases and a cat in a wicker box. But soon things turn very, very dark. It happens slowly, yet so extraordinarily quickly. Now you and your sister must find a way to survive....

Returning early from a disastrous date night with my husband, I know something is wrong the moment the wheels crunch the gravel drive of our home. Inside, the TV is on and a half-eaten meal waits on the table. My heart stops when I find our little girl is alone in the house and our babysitter, Sasha, is missing....

Samantha Frayn doesn’t know why Peter Bridges picks her - a nobody with bitten fingernails and a troubled childhood behind her - but she falls quickly. He’s older, charming, likes fine wine and French films, and his beautiful home has real art on its walls. Peter transforms Samantha’s life in an instant. He sees the better version of herself - the one she’s always wanted to be. It’s only normal that there’s a little friction, when she moves in, over domestic matters like where things are kept, or the proper times to eat, sleep, and shower.

When she stumbles across the advert, she's looking for something else completely. But it seems like too good an opportunity to miss: a live-in nanny position, with a staggeringly generous salary. And when Rowan arrives at Heatherbrae House, she is smitten by the luxurious 'smart' home fitted out with all modern conveniences, by the beautiful Scottish Highlands, and by this picture-perfect family. What she doesn't know is that she's stepping into a nightmare - one that will end with a child dead and her in a cell awaiting trial for murder.

Ava's life is the kind other people envy: loving husband, great kids, beautiful house. Until the night that a violent home invasion plunges her world into chaos. In the aftermath of the attack, Ava needs answers to two questions. Who has targeted her family? And why? But things aren't adding up. She is starting to suspect that she doesn't know the people closest to her. That someone knows more than they are letting on. That everything she thought she knew about them was a lie. Ava needs to know what happened that night.