Forensic psychiatrist Natalie King works with victims and perpetrators of violent crimes. She rides a Ducati a size too big and wears a tank top a size too small. Likes men but doesn't want to keep one. And really needs to stay on her medication. Now she's being stalked. Anonymous notes, threats, strangers loitering outside her house. Natalie doesn't know who it could be. A hostile former patient? Or someone connected with a current case?

It’s six in the morning during the hottest summer on record when Elizabeth O’Loughlin, out walking her dog, comes across Clare, a victim of a horrific knife attack, clinging onto life at the side of the road. Clare dies minutes later, but not before whispering her haunting last words to Elizabeth. When it becomes clear that Clare’s killer has more than one murder on his mind, Elizabeth has to take drastic action or face losing everything.

Psychologist Margot Scott has a picture-perfect life: a nice house in the suburbs, a husband, two children and a successful career. On a warm spring morning Margot approaches one of her clients on a busy train platform. He is looking down at his phone, with his duffel bag in hand as the train approaches. That’s when she slams into his back and he falls in front of the train. Margot’s clients all lie to her, but one lie cost her family and freedom.

Alicia Berenson’s life is seemingly perfect. A famous painter married to an in-demand fashion photographer, she lives in a grand house with big windows overlooking a park in one of London’s most desirable areas. One evening, her husband, Gabriel, returns home late from a fashion shoot, and Alicia shoots him five times in the face and then never speaks another word. Alicia’s refusal to talk, or give any kind of explanation, turns a domestic tragedy into something far grander, a mystery that captures the public imagination and casts Alicia into notoriety.

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.'

Meet the half sister, and unravel the ties that blind us. The truth: Sisters Kate and Lauren meet for Sunday lunch every week without fail, especially after the loss of their father. The lie: But a knock at the door is about to change everything. A young woman by the name of Jess holds a note with the results of a DNA test, claiming to be their half sister. The unthinkable: As the fallout starts, it's clear that they are all hiding secrets, and perhaps this family isn't as perfect as it appears.

My darling son, Sam, is marrying his childhood sweetheart, and I couldn’t be prouder of the man he’s grown into. Walking out on his abusive father all those years ago was the best thing I ever did. And today he stands, tall and handsome, saying "I do" to my dream daughter-in-law. If I hadn’t pushed them together all those years ago, he might never have found a girl as perfect as Lauren. It’s true what they say, mother always knows best.

Ten years ago he killed my son. Today I married him. Ten years ago my darling son Jesse was murdered and our perfect family was destroyed. My strong, handsome boy, so full of life, became a memory, a photo I carried with me everywhere. But today I’m finally close to finding happiness again. My ash-blonde hair has been curled into ringlets. Carefully placed white flowers frame my delicate features. The small, drab chapel has been prettied up with white satin, and there are tiny red hearts scattered on the small table where I will soon sign the register with my new husband.

Sophie Duguet is losing her grip. Haunted by visions from her past of her loving husband, who committed suicide after a car accident. One morning she wakes to find Leo, the child in her care, strangled in his bed by Sophie's own shoelaces. She can remember nothing of the night before. Could she really have killed him? She flees in panic, but this only cements her guilt in the eyes of the law. Not long afterwards it happens again - she wakes with blood on her hands, with no memory of the murder committed.

When Nigel Baxter, a middle-aged married banker with an unremarkable past, is found dead in the bath of a plush hotel suite, his wrists slit, it looks as if he's taken his own life. At first. But when Detective Inspector Daniel Riley is assigned to the case, he soon realises all isn't as it first appears to be. When a postmortem shows Baxter was poisoned, Riley suspects foul play. And then there's the odd addition of a teddy bear left at the crime scene....

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.

Ten years ago, Grace made her dying sister a promise - that she would look after Hope’s baby son as her own. Now, the man whose son she is raising has turned up on Grace’s operating table, fighting for his life. When an accusation of negligence follows, Grace is forced to confront not just the man who abandoned her sister, but also his mother, Norma - who blames Grace for taking everything she loves. Based on what her sister told her, Grace is sure she did the right thing to keep that promise. But what if Hope didn’t tell her everything?

There’s a cottage on a cliff. Gabe and Pippa’s dream home in a sleepy coastal town. But their perfect house hides something sinister. The tall cliffs have become a popular spot for people to end their lives. Night after night Gabe comes to their rescue, literally talking them off the ledge. Until he doesn’t. When Pippa discovers Gabe knew the victim, the questions spiral...Did the victim jump? Was she pushed?

I never thought it would happen to me. One moment I had it all, a gorgeous husband, a beautiful home, a fulfilling career and two adorable children. The next, everything came crashing down around me. They said it was my fault. They said I'm the worst mother in the world. And even though I can't remember what happened that day, they wouldn't lie to me. These are my friends, my family, people I trust. But then why do I have this creeping sensation that something is wrong? Why do I feel like people are keeping secrets? Am I really as guilty as they say?

St Benjamin's Medical School is the greatest of its kind, any death occurring within its walls would have created ripples within the academic world, but the death of Nikki Exner is far from being ordinary. Raped, and then grotesquely executed, her theatrical murder horrifies everyone. John Eisenmenger, a former forensic pathologist, finds himself dragged unwillingly into the case. Teaming up with solicitor Helena Flemming, Eisenmenger sets out to discover what really did happen to Nikki Exner.

When Nigel Baxter, a middle-aged married banker with an unremarkable past, is found dead in the bath of a plush hotel suite, his wrists slit, it looks as if he's taken his own life. At first. But when Detective Inspector Daniel Riley is assigned to the case, he soon realises all isn't as it first appears to be. When a postmortem shows Baxter was poisoned, Riley suspects foul play. And then there's the odd addition of a teddy bear left at the crime scene....

Late one night, a man walks into the luxurious home of disgraced banker Harry McNamara and his wife Julie. And when the man launches an unspeakably brutal attack on Harry, a horror-struck Julie, frozen by fear, watches her husband die. Just one hour later, the attacker, J. P. Carney, hands himself into the police and confesses to beating Harry to death. But he also claims that the assault was not premeditated and that he didn’t know the identity of his victim.

John Docherty’s mother has just been taken into a nursing home following a massive stroke and she’s unlikely to be able to live independently again. With no other option than to sell the family home, John sets about packing up everything in the house. In sifting through the detritus of his family’s past he’s forced to revisit, and revise his childhood. For in a box, in the attic, he finds undeniable truth that he had a brother who disappeared when he himself was only a toddler.

A shocking double-murder scene greets Detective Inspector Philip Brennan when he is called to a flat in Colchester. Two women are viciously cut open and laying spread-eagled, one tied to the bed, one on the floor. The woman on the bed has had her stomach cut into and her unborn child is missing. But this is the third time Phil and his team has seen such an atrocity. Two other pregnant women have been killed in this way and their babies taken from them. No one can imagine what sort of person would want to commit such horrible crimes.

Sophie Duguet is losing her grip. Haunted by visions from her past of her loving husband, who committed suicide after a car accident. One morning she wakes to find Leo, the child in her care, strangled in his bed by Sophie's own shoelaces. She can remember nothing of the night before. Could she really have killed him? She flees in panic, but this only cements her guilt in the eyes of the law. Not long afterwards it happens again - she wakes with blood on her hands, with no memory of the murder committed.

After an elite criminal profiling unit is shut down amid a storm of scandal and mismanagement, only one person emerges unscathed. Forensic psychiatrist Doctor Alexander Gregory has a reputation for being able to step inside the darkest minds to uncover whatever secrets lie hidden there, and soon enough he finds himself drawn into the murky world of murder investigation. In the beautiful hills of County Mayo, Ireland, a killer is on the loose. Panic has a stranglehold on its rural community, and the Garda are running out of time.

When the body of Lola Evans is found in a local park on a cold winter's morning, Detective Alex King and her new recruit Chloe Lane are called in to lead the hunt for the killer. Chilling and totally compelling with an utterly surprising twist, The Girls in the Water is perfect for fans of Robert Bryndza, Sarah Hilary, and Patricia Gibney.

Jo Carter never thought she'd return to Clear Springs, Minnesota. But when the former journalist receives a cryptic note about the disappearance of her friend Sam twenty years before, she's compelled to find out what really happened. During her investigation, she learns another high school friend has died in a mysterious accident. Nothing is as it seems, and Jo must probe Clear Springs' darkest corners and her own painful and unreliable memories to discover the truth - and save herself from the killer who could still be on the hunt.

Lydia has always known she has no power, especially next to her infamous and more-than-slightly dodgy family. Which is why she carved her own life as a private investigator far away from London. When a professional snafu forces her home, the head of the family calls in a favour, and Lydia finds herself investigating the disappearance of her cousin, Maddie.

A missing schoolgirl is found buried in the Dublin Mountains, hands clasped together in prayer, two red ribbons in her hair. Twenty-four hours later, a second schoolgirl is found in a shallow grave - her body identically arranged. The hunt for the killer is on. The police call in criminal psychologist Kate Pearson to get inside the mind of the murderer before he strikes again. But the more Kate discovers about the killings, the more it all feels terrifyingly familiar.