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 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.…

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…

Alex Parkinson is in love with his writing tutor, Siobhan. He has never loved anyone like this, but how can he convince Siobhan that they are meant to be together? So Alex stalks her on Facebook and finds out where she lives, buys her presents using her own credit card and sends her messages telling her exactly what he wants to do to her. He breaks into her house, reads her diary and secretly listens to her while she takes a bath. Isn't that what all lovers do?

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 British twenty-somethings Ruth and Adam are offered the chance to spend the summer housesitting in New York, they can’t say no. Young, in love and on the cusp of professional success, they feel as if luck is finally on their side. So the moment that Eden turns up on the doorstep, drenched from a summer storm, it seems only right to share a bit of that good fortune. Beautiful and charismatic, Eden claims to be a friend of the homeowners, who told her she could stay whenever she was in New York. They know you’re not supposed to talk to strangers....

For four years Jessica has never doubted that her sister Isabel’s death was an accident. But when Jessica’s young daughter seems to know long-forgotten details about her aunt’s past, Jessica can’t shake the feeling that there’s a more sinister truth behind the tragedy. As Jessica unearths disturbing revelations about her sister, and about the people she loved and trusted most, it becomes clear Isabel’s life was less than perfect and that Jessica’s might also be at risk.

It was supposed to be the trip of a lifetime, a final adventure before settling down. But after a perfect start, an encounter with a young couple on a night train forces Daniel and Laura to cut their dream trip short and flee home. Back in London, Daniel and Laura vow never to talk about what happened that night.

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.

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.

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.…

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....?

It was the job she had dreamed of since childhood. But on her very first day, when an unnerving encounter drags up memories Sophie Greenwood would rather forget, she wonders if she has made a mistake. A fatal mistake. What is her ambitious young assistant really up to? And what exactly happened to Sophie's predecessor? When her husband and daughter are pulled into the nightmare, Sophie is forced to confront the darkest secrets she has carried for years.

When she was 9 years old, Melody Browne's house burned down, and it took all of her childhood memories with it. Now she's a single mother of a teenage boy living in Central London. She hasn't seen her parents since she left home at 15, but she doesn't mind. She's better off on her own. She works as a dinner lady at her son's school and has no idea where her humdrum life is heading. But one summer's night, a hypnotist inadvertently unlocks memories of her childhood, and her whole life is turned upside down.

April Clarke-Cliveden was the first person Hannah Jones met at Oxford. Vivacious, bright, occasionally vicious, and the ultimate It girl, she quickly pulled Hannah into her dazzling orbit. Together, they developed a group of devoted and inseparable friends—Will, Hugh, Ryan, and Emily—during their first term. By the end of the year, April was dead.

Dear Elizabeth, I've been watching you. I hope to see you...soon. Liz Cafferky is on the up. Rescued from her dark past by the owner of a drop-in centre for older men, Liz soon finds herself as the charity's face - and the unwilling darling of the Dublin media. Amidst her claustrophobic fame, Liz barely notices a letter from a new fan. But then one of the centre's clients is brutally murdered, and Elizabeth receives another, more sinister note. Running from her own ghosts, Liz is too scared to go to the police.

Dr Cat Lupo aches for another child despite the psychosis which marked her first pregnancy. So when Ruby Winter, a small girl in need of help, arrives in the middle of the night, it seems like fate. But as the events behind Ruby's arrival emerge - her mother's death, her connection to Cat - Cat questions whether her decision to help Ruby has put her own daughter at risk.

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.

Margot Lewis is a teacher at an exclusive high school in the English university town of Cambridge. In her spare time, she writes an advice column, "Dear Amy", for the local newspaper. When one of Margot's students, 15-year-old Katie, disappears, the school and the town fear the worst. And then Margot gets a "Dear Amy" letter unlike any of the ones she's received before. It's a desperate plea for rescue from a girl who says she is being held captive and in terrible danger - a girl called Bethan Avery, who was abducted from the local area 20 years ago and never found.

1943: the world is at war, and the villagers of Tyneham are being asked to make one more sacrifice: to give their homes over to the British army. But on the eve of their departure, a terrible act will cause three of them to disappear forever. 2018: Melissa had hoped a break on the coast of Dorset would rekindle her stagnant relationship, but despite the idyllic scenery, it’s pushing her and Liam to the brink.

A darkly gripping domestic drama about secrets and lies. When you have everything, you have everything to lose.... Alexandra Inglis is a respected family doctor, trusted by her patients to keep their most intimate secrets. And if sometimes the boundaries between duty and desire blur...well, she's only human. But when Alex oversteps a line with Jonathan, one of her patients, she knows she's gone too far.

Alex Parkinson is in love with his writing tutor, Siobhan. He has never loved anyone like this, but how can he convince Siobhan that they are meant to be together? So Alex stalks her on Facebook and finds out where she lives, buys her presents using her own credit card and sends her messages telling her exactly what he wants to do to her. He breaks into her house, reads her diary and secretly listens to her while she takes a bath. Isn't that what all lovers do?

Robin Ballantyne's life is finally coming together. After learning she was pregnant with twins and being abandoned by her irresponsible boyfriend, Adam, she's settling into life as a single mother. But one night, after putting the children to bed, she hears an argument and suddenly, a body falls past her window. Running outside, she finds the body of Paula Carmichael, a renowned activist.

Helen has had to leave everything she's ever known behind: her home, her family, even her own name. Now, returning to the UK as Ellen Newman, she moves to a small coastal village, working as a nanny for Donovan, a criminal psychologist. Attractive, caring and protective, this single father and his sweet daughter are a world away from Ellen's brutal past. But Ellen can't shake the feeling that something's wrong.

Neve comes across a troubled woman called Isabelle on Waterloo Bridge late one night. Isabelle forces a parcel into Neve's hands and jumps to her death in the icy Thames below. Two weeks later, as Neve's wreck of a life in London collapses, an unexpected lifeline falls into her lap - a charming cottage in Cornwall left to her by Isabelle, the woman on the bridge. The solution to all her problems.

Emily Klein doesn’t know she has killed her husband until the day of his funeral. At first, signs point to a tragic accident. Yet, as Emily pieces together the events before his death - events which led to her own memory loss - she begins to suspect that her husband’s death may have been the result of more than a terrible twist of fate.... But the accident is only the beginning. Because while Emily’s physical scars will heal, the trauma of the accident has awakened old ghosts. She hears strange sounds, catches things that can’t possibly be there in the corner of her eye.

Six months ago, Charlotte almost lost everything. Now, she’s determined to keep her daughter, Elle, safe. So when local girls close to Elle in age and appearance begin to go missing, it’s her worst nightmare. Charlotte’s fears are confirmed when a frantic search becomes a shocking murder investigation. The girls’ bodies have been found - half-buried, and with traces of mud and wildflowers under their fingernails. As Charlotte’s obsession with keeping her daughter close pushes her marriage to the brink, local DI Madeleine Wood embarks on a gruelling search for the killer.

Alice: beautiful, kind, manipulative, liar. Clare: intelligent, loyal, paranoid, jealous. Clare thinks Alice is a manipulative liar who is trying to steal her life. Alice thinks Clare is jealous of her long-lost return and place in their family. One of them is telling the truth. The other is a maniac. Two sisters. One truth.

Meet Detective Chief Inspector John Luther. He’s a murder detective with an extraordinary case clearance rate. He’s obsessive, instinctive, and intense. Nobody who ever stood at his side has a bad word to say about him. And yet there are rumors that Luther is bad - not corrupt, not on the take, but tormented. He seethes with a hidden fury that at times he can barely control. Sometimes it sends him to the brink of madness, making him do things he shouldn’t - things well beyond the limits of the law.

Dan Starkey is a journalist in Belfast, who shares with his wife, Patricia, an appetite for drinking and dancing. Dan meets Margaret, and things begin to get out of hand - terrifyingly, she is murdered. Before long, Dan is a target himself, racing as fast as he can against time to crack the mystery.