He's posted on your wall. He's following you on Twitter. He knows where you are right now.... When Amy receives an email from her older sister, Becky, announcing that she's off travelling and 'don't try to find me', she is worried. Becky would never do such a thing on a whim. Amy - who is recovering from an abusive relationship that has left her terrified of love - soon finds that Becky had started using online dating sites. Aided by Becky's neighbour, Gary, Amy sets about tracking down the men her sister had dated.

After twenty years apart, Matthew and Helena have rekindled their college romance and are away in Iceland on their first holiday together. Swept up in the romance on a mountain hike, one moment they are taking the perfect photo, the next Helena is hanging from the cliff edge…

Two years ago, on a trip to Seattle to visit her brother Aidan, fifteen-year-old Scarlett vanished into thin air. After years of false leads and dead ends, Aidan has almost given up hope. But then a woman sees a girl running for her life across a forest clearing in Northern California. She is convinced the girl is the missing Scarlett. But could it really be her?

When Helen and Sean Phillips go out for the evening, leaving their teenage daughter babysitting little Frankie, they have no idea that they are about to face every parent's greatest fear. Detective Inspector Patrick Lennon is hopeful that the three children who have been abducted in this patch of south-west London will be returned safe and well. But when a body is found in a local park, Lennon realizes that time is running out - and that nothing in this case is as it seems.…

When Andrew Sumner meets beautiful, edgy Charlie, he is certain his run of bad luck has finally come to an end. But as the two of them embark on an intense affair, Andrew wonders if his grasp on reality is slipping. Items go missing in his apartment. Somebody appears to be following him. And as misfortune and tragedy strike his friends and loved ones, Andrew is forced to confront the frightening truth.…

Jo Atkins' sixteenth year was disastrous: She lost her dad, was assaulted by a stranger, and then had her heart broken. For the last twenty-five years, she's believed that nothing could ever be as bad again. She was wrong.

Gemma Robinson comes into Elliot’s life like a whirlwind, and they marry and settle into his home. When she asks him if her parents can come to stay for a couple of weeks, he is keen to oblige - he just doesn’t quite know what he’s signing up for. The Robinsons arrive with Gemma’s sister, Chloe, a mysterious young woman who refuses to speak or leave her room.

When a woman's body is found in the grounds of a ruined priory, Detective Imogen Evans realises she is dealing with a serial killer - a killer whose victims appear to die in a state of bliss, eyes open, smiles forever frozen on their faces.

When Jamie and Kirsty move into their first home together, they are full of optimism. The future, in which they plan to get married and start a family, is bright. The other residents of their building seem friendly too, including the Newtons, a married couple who welcome them to the building with open arms. But then strange things start to happen. Dead rats are left on their doorstep. They hear disturbing noises, and much worse, in the night.

Two years ago, Julia lost her family in a tragic accident. Her husband drowned trying to save their daughter, Lily, in the river near their rural home. But the little girl’s body was never found—and Julia believes Lily is somehow still alive. Alone and broke, Julia opens her house as a writers’ retreat. One of the first guests is Lucas, a horror novelist, who becomes obsessed with finding out what happened to Lily.

Lynn Naismith gave up the job she loved when she married Ed, the love of her life, but it was worth it for the happy years they enjoyed together. Now, 10 years on, Ed has been diagnosed with early onset dementia, and things start to happen - things more sinister than missing keys and lost words. As some memories are forgotten, others, long buried, begin to surface...and Lynn’s perfect world begins to crumble. But is it Ed’s mind playing tricks, or hers....?

As I sit in her dimly lit bedroom, surrounded by flickering candles, I feel the crushing weight of my daughter’s absence. It's been two years since Layla was murdered. The police have searched tirelessly for her killer, but they've found nothing – it's like whoever did it vanished into thin air. My once-perfect marriage is falling apart, we can hardly look at each other anymore. Our ten-year-old son Gale is struggling. He’s changed since she died. He’s more secretive and also…

Olivia Bender designs exquisite home interiors that satisfy the most demanding clients. But her own deepest desire can’t be fulfilled by marble counters or the perfect rug. She desperately wants to be a mother. Fertility treatments and IVF keep failing. And just when she feels she’s at her lowest point, the police deliver shocking news to Olivia and her husband, Park. DNA results show that the prime suspect in a murder investigation is Park’s son. Olivia is relieved, knowing this is a mistake. Despite their desire, the Benders don’t have any children. Then comes the confession.

A simple DNA test is all it takes. Just a quick mouth swab, and soon, you'll be matched with your perfect partner - the one you're genetically made for. That's the promise made by Match Your DNA. A decade ago, the company announced that they had found the gene that pairs each of us with our soul mate. Since then, millions of people around the world have been matched. But the discovery has its downsides: Test results have led to the breakup of countless relationships and upended the traditional ideas of dating, romance, and love.

Twenty-two-year-old Olivia has been missing for one day…and counting. She was last seen on CCTV, entering a dead-end alley. And not coming back out again. Julia, the detective heading up the search for Olivia, thinks she knows what to expect. A desperate family, a ticking clock, and long hours away from her husband and daughter. But she has no idea just how close to home this case is going to get.