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?

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.…

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.

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.

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?

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.

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.

Two days ago, the Wilson family checked into the imposing, glass-fronted Lodge, surrounded by snow and perched perilously on the edge of a cliff looking out to a gray sea. Not everyone was looking forward to the family get-together. But mother-in-law Angela insisted the winter trip would help heal their rifts....

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.

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.

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…

Moving to Prospect Close has been everything I’d hoped for. In the city, Oliver and I barely saw each other, irritable at home and rushing around after the kids. But here, the neighbors have been so friendly and welcoming, and we’re now at barbeques and playdates every weekend, all together, as a family. It’s the type of life I always dreamed of. One that’s a million miles from...before. Not that Oliver would know anything about that.

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?

Kate returns from a post-break-up holiday with her girlfriends to news of a serial killer in her hometown - and his victims all look like her. It could, of course, be a simple coincidence. Or maybe not. She becomes convinced she is being watched, followed even. Is she next? And could her mild-mannered ex-boyfriend really be a deranged murderer? Or is the truth something far more sinister?

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.

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.

On a fateful summer morning in 1986, two 11-year-old girls meet for the first time. By the end of the day, they will both be charged with murder. Twenty-five years later, journalist Kirsty Lindsay is reporting on a series of sickening attacks on young female tourists in a seaside vacation town when her investigation leads her to interview carnival cleaner Amber Gordon. For Kirsty and Amber, it's the first time they've seen each other since that dark day so many years ago.

Profoundly deaf since early childhood, Caleb has always lived on the outside - watching and picking up tell-tale signs people hide in a smile, a cough or a kiss. When a childhood friend is murdered, a sense of guilt and a determination to prove his own innocence sends Caleb on a hunt for the killer. But he can’t do it alone....

In one terrible moment, paramedic Sophie Phillips' life is ripped apart - her police officer husband is shot on their doorstep and their ten-month-old son is abducted from his bed. Suspicion surrounds her possibly corrupt husband, but Sophie believes the attack is much more personal. Sophie enlists her husband's partner in the hunt for her son, but will the history they share prove harmful to Sophie's ability to complete her mission?

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.

Mia has her life in order. She is a grown-up and enjoys a grown-up's relationship with Pete. Not passionate or spontaneous but solid. She knows he is 'the one'. But then she sees a text message on Pete's phone that throws her world into a spin. It is more than friendly, signed off with a kiss, and Mia has never heard of the sender, Liz. With her carefully mapped out life sliding out of control Mia will discover a side to herself she never knew existed, as she formulates a plan to win her happy ending. Because all's fair in love and war - isn't it?

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.

When Rachel discovers a Twitter message arranging a romantic liaison, she assumes her husband is having an affair and follows him. What she witnesses is so much worse: a hit-and-run using his car. Meanwhile, Rachel’s friend and business partner Suzie is increasingly worried about her fiancé, who’s not been in touch for days. When Suzie learns of huge debts racked up in her name, she fears he has run out on her, but then the threatening calls start, and she thinks something terrible has happened.

In the early hours of a summer morning, a young woman steps into the path of an oncoming bus. A tragic accident? Or suicide? At the center of this puzzle is Adrian Wolfe, a successful architect and grief-stricken widower, who, a year after his third wife's death, begins to investigate the cause. As Adrian looks back on their brief but seemingly happy marriage, disturbing secrets begin to surface. The divorces from his two previous wives had been amicable, or so it seemed; his children, all five of them, were resilient as ever, or so he thought.

It was just a party. But it turned into a nightmare. When Rachel wakes up in a strange room the morning after a neighbour’s party, she has no memory of what happened the night before. Why did her husband leave her alone at the party? Did they row? Why are Rachel’s arms so bruised? And why are her neighbours and friends so vague about what really happened?

A violent rapist is attacking women, leaving them for dead on south London streets. When young policewoman Maeve Kerrigan responds to a domestic disturbance, she's horrified to stumble across the latest victim. But as a new recruit - and a female to boot - she'll have to face down not only her own nerves but rampant sexism from her colleagues if she wants to be taken seriously enough to even assist on the case.

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.