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?

Alice and Seth are a perfect love story: the handsome doctor and his beautiful fiancée. They’re wealthy, well liked and made for each other—the envy of all their friends. Alice can’t wait for the day of their dream wedding. But when she arrives at the altar, she doesn’t recognise the man waiting to marry her. When this stranger insists he’s Seth, her husband-to-be, the entire congregation seems to agree. Even her parents try to persuade Alice to go through with the wedding.

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.

"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?

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…

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....

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.

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.

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.

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....

Emily dreams of one day owning a house where her son, Josh, and the little one on the way can grow up, but when her husband, Aidan, insists on leaving his lucrative job as a luxury car salesman, she senses something more is afoot - even while she harbours a secret of her own. What is Aidan hiding, and will it jeopardize their young family’s future?

Holly never thought she'd move back to her hometown, but then something terrible happened. She doesn't know if she can recover. But she knows she can never tell another soul. People say her neighbour, David, is 'different'. He doesn't go out much, and never after dark. But in David, Holly finds just what she needs: a friend. Someone who's always there. No-one knows Holly's secret or where she lives. She has left the past behind. So why does she feel as though she's in terrible danger?

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....’

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.

With its peeling wallpaper and overgrown garden, I know our new home isn’t perfect. But my husband, Ben, promises it’s the fresh start we need. I remind myself that he’s an amazing father to our two children and that we have years of happy marriage behind us. He’s been distant for months, but I’m desperate to believe the move will bring us back together.