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.

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.

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....

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.

Alicia’s been telling lies. And now, they’ve come back to haunt her. When an old colleague turns up at a party, Alicia comes face to face with the man who has the potential to ruin her perfect family life. He wouldn’t, would he? In order to keep her secrets, Alicia has to tell yet more lies, and when a devastating car accident makes the situation even more dangerous, it’s only a matter of time before everything falls apart. Can secrets really stay hidden forever?

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…

Ruth loves her life in London—she has a high-powered career and a handsome and successful fiancé. This Christmas, she’s bringing him back to her home town to meet her family and school friends, one of whom, Holly Murphy, has a new baby. But, as the Christmas Eve party is in full swing, the unthinkable happens—Ruth drops the baby, injuring the little boy. Or did she? Ruth becomes convinced she didn’t cause the baby’s injuries, that they were inflicted before the party, that the Murphys are not the lovely family they appear to be.

My handsome husband Tom. You've given me everything our beautiful son and our perfect new seaside home. I want to trust you, but I know you haven't been honest about why you really wanted to move here. I haven't been honest with you either.

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?

Quinn Alexander has committed an unthinkable crime. To avoid spending her life in prison, Quinn makes a run for it. She leaves behind her home, her job, and her family. She grabs her passport and heads for the northern border before the police can discover what she's done. But when an unexpected snowstorm forces her off the road, Quinn must take refuge at the broken-down, isolated Baxter Motel. The handsome and kindly owner, Nick Baxter, is only too happy to offer her a cheap room for the night. Unfortunately, the Baxter Motel isn't the quiet safe haven it seemed to be.

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?

I was just a little girl, fast asleep in my stroller, the day my mother was killed. I don’t remember anything about the sunny day that turned so dark. She’d be so happy for me now, 20 years later, with my dream job as a photographer, and I’m sure she’d love my new boyfriend, Gabriel. But all my happiness vanishes in a heartbeat when the man from our past walks toward me, his eyes on me for just a fraction too long.

It’s hard meeting your ex after so much time apart. You remember the tears and accusations, the desperate look on his face as he punched the wall, but you try not to show it. You smile politely, even while your heart beats faster. You watch as he looks down into the stroller, at the beautiful blond-haired, blue-eyed baby kicking his little legs in the sunshine, whose innocent smile lights up your world. You see his face change. You know what he’s thinking. The next day he calls. His voice is shaking. He wants the truth. Is it his child?

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.