Teenager Abigail Ryder is devastated when she gets home from school to find her family gone. Nothing makes sense. Things are missing from the house and her stepsisters' room is completely empty. But the police think she's trouble, and when grandmother Eleanor tells her to forget them all and move on, there's no choice other than face the future - alone. Fourteen years on, Abi and Adam are a happy couple on the verge of parenthood. But when the past comes back to haunt Abi, the only way forward is to go back and uncover the truth.

Violet and Finn were “meant to be,” said everyone, always. They ended up together by the hands of fate aligning things just so. Three years into their marriage, they have a wonderful little boy, and as the three of them embark on their first vacation as a family, Violet can’t help thinking that she can’t believe her luck. Life is good. So no one is more surprised than she when Finn leaves her at the beach—just packs up the hotel room and disappears. And takes their son with him.

In the pretty, privileged college town of Milford, New Hampshire, everyone is friendly, and everything is safe. And on this cold autumn day, as red and yellow leaves begin to fall from the trees, and everyone wraps up for the first time, it would be easy to believe nothing bad could ever happen here. Until a screech of tires is heard, a thud, a child’s scream. The crash that sees Jenna’s six-year-old daughter, Amy Rose, being hit by a car driven by 17-year-old Maddie.

From the moment he saw Jennifer Roberts, his instinct was to protect her. But she wanted nothing to do with him. In fact, the last thing Jennifer wanted to do that Saturday afternoon was call the police. She didn’t trust them. She’d fallen hard for a cop - the exact person every child is told to run to for safety - and he betrayed her and broke her heart. She wouldn’t make that mistake again. But she has no choice when she discovers her apartment has been broken into. Five simple words will turn her world upside down: “You called for the police?”

Mina is trying to focus on her job as a flight attendant, not the problems of her five-year-old daughter back home or the fissures in her marriage. But the plane has barely taken off when Mina receives a chilling note from an anonymous passenger, someone intent on ensuring the plane never reaches its destination. Someone who needs Mina's assistance and who knows exactly how to make her comply. It's 20 hours to landing. A lot can happen in 20 hours....

Jake Hayes is missing. This much is certain. At first, his wife, Nina, thinks he is blowing off steam at a friend’s house after their heated fight the night before. But then a day goes by. Two days. Five. And Jake is still nowhere to be found. Lily Scott, Nina’s friend and coworker, thinks she may have been the last to see Jake before he went missing. After Lily confesses everything to her husband, Christian, the two decide that nobody can find out what happened leading up to Jake’s disappearance, especially not Nina.

Marin had the perfect life. Married to her college sweetheart, she owns a chain of upscale hair salons, and Derek runs his own company. They're admired in their community and are a loving family—until their world falls apart the day their son, Sebastian, is taken. A year later, Marin is a shadow of herself. The FBI search has gone cold. The publicity has faded. She and her husband rarely speak. She hires a PI to pick up where the police left off, but instead of finding Sebastian, she learns that Derek is having an affair with a younger woman.

Everyone thinks they know the story of Milly Dowler. Haunting headlines about the missing schoolgirl splashed across front pages. The family's worst fears realised when her body was found months later. The years of waiting for the truth, only to learn that the killer, known to the police, lived just yards from where Milly had vanished. The parents subjected to horrific psychological torture at a trial orchestrated by the murderer.

Imagine that you live on a picturesque communal garden square, an oasis in urban London where your children run free, in and out of other people's houses. You've known your neighbors for years and you trust them. Implicitly. You think your children are safe. But are they really? On a midsummer night, as a festive neighborhood party is taking place, preteen Pip discovers her 13-year-old sister Grace lying unconscious and bloody in a hidden corner of a lush rose garden. What really happened to her?

The doorbell rings, just days after my beloved husband’s sudden death. I don’t recognise the woman on our doorstep, with her blonde highlights, a diamond bracelet identical to my own and a bouncing baby boy in her arms. As I show her inside, I notice her eyes grow wide as she takes in our spacious hallway, and the big squashy sofas that we all used to pile on. She glances at the silver-framed family photos and my little daughter hiding behind my skirts. She looks at me, her blue eyes serious. ‘I’m sorry’ she says. ‘I am your husband’s girlfriend. And this is his son.'

The 2:00 a.m. call is the first time Lexie Vidler has heard her sister's voice in years. Annie is a drug addict, a thief, a liar - and in trouble, again. Lexie has always bailed Annie out, given her money, a place to sleep, sent her to every kind of rehab. But this time, she's not just strung out - she's pregnant and in premature labor. If she goes to the hospital, she'll lose custody of her baby - maybe even go to prison. But the alternative is unthinkable.

Laura has returned to work at Morris and Wood after her maternity leave, only to discover that the woman she brought in to cover for her isn’t going anywhere. Despite her close relationship with the agency’s powerful CEO, she feels sidelined - and outmaneuvered - as she struggles to balance the demands of work and motherhood.

'Is It My Fault Mummy?': seven-year-old Paris is trapped in a prison of guilt. Devastated after the death of her baby brother, Joel, Maggie faces one of her most heartbreaking cases yet as she tries to break down the wall of guilt surrounding this damaged little girl. 'A Desperate Cry for Help': 12-year-old Meg arrives at Maggie's after a fire destroys the children's home she's been living in. Traumatised by the fire and angry and vulnerable, having been put into care by her mother, Meg is lashing out at everyone around her.

Anna loves Girls’ Night with her friends. With the kids safely in bed, it’s a chance for the women to let loose, enjoy some wine, and just laugh. But after one lively evening, Anna doesn’t arrive for school drop-off the next morning—or the next, or the next. Everyone, especially her husband and young son, is frantic with worry, but none more so than Grace, her childhood best friend. Grace is certain that someone is hiding the truth about Anna’s unexplained disappearance.

Everyone has secrets, and Rachel Holloway is no exception. She’s worked hard to keep the past where it belongs: dead and buried. And so far, she’s been very successful. But now the small newspaper where she works wants to produce a podcast on a cold case: the disappearance 12 years ago of young Molly Forster. Some secrets should never see the light of day, and, as far as Rachel is concerned, whatever happened to little Molly is one of them.