Caitlyn Montgomery Bandeaux wakes one morning drenched in blood, her head pounding mercilessly. Worst of all, she can't remember what happened the night before - when her estranged husband was murdered. Now the police want answers. Tormented, Caitlyn turns to her sister for support and is warned not to talk to the handsome new psychologist in town. But she soon realizes he's the only person she's comfortable confiding in.

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.

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.

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.

Former SAS soldier David Shelley was part of the most covert operations team in the special forces. Now settling down to civilian life in London, he has plans for a safer and more stable existence. But the shocking death of a young woman Shelley once helped protect puts those plans on hold. The police rule the death a suicide but the grieving parents can't accept their beloved Emma would take her own life. They need to find out what really happened, and they turn to their former bodyguard, Shelley, for help.

Alex Ryan lives a simple life. She has her farm in the Scottish countryside, and the self-imposed seclusion suits her until a crime that has haunted her for years tears through the calm and shatters the fragile peace she'd finally managed to find. Lori Hunter's greatest love is the mountains. They're her escape from the constant hustle and bustle of everyday life. Growing up was neither traditional nor easy for Lori, but now she's beginning to realize she's settled for both. A dead-end relationship and little to look forward to.

Bess Campbell has escaped to the windswept Australian coastal town of Port Bannir, determined to begin her life again. She is loving her fresh start, thanks to her fun job running a hip gallery, her territorial chickens, and a lot of self-help books to find her new, better self. Port Bannir local Margaret Gale runs an austere maritime museum, and rules her staff with an iron fist. She has no time for that crazy modern gallery or upbeat, earnest Bess sweeping around town on her hipster bicycle.

DI Kate Young is on leave. She’s the force’s best detective, but her bosses know she’s under pressure, on medication and overcoming trauma. So after her bad judgement call leads to a narrowly averted public disaster, they’re sure all she needs is a rest. But when Staffordshire Police summon her back to work on a murder case, it’s a harder, more suspicious Kate Young who returns. With a new ruthlessness, she sets about tracking down a clinical, calculating serial killer who is torturing victims and leaving clues to taunt the police.

An unidentified woman is found murdered on the North Norfolk Coastal Path and newly promoted Detective Sergeant Kate Brannon and Kings Lynn's CID have the task of figuring out whom, how, and why. A job that's made more difficult when every one of the 40 residents in the village has something to hide and answers her questions with a string of lies. Georgina Temple has her own secrets to keep, and her own reasons to keep them. But her growing attraction to Kate makes it increasingly difficult to keep them.

Barely a month since his promotion to Inspector, DI Ford is called in to investigate the murder of a young nurse and her son in a small flat in Salisbury. There are few clues, and no apparent motive, but Ford can sense that there's a serial killer at work. After all, he knows from brutal personal experience how killers cover their tracks.... It's been six years since Ford lost his wife in a climbing accident - an accident he caused. He is desperate to keep the truth hidden, especially from his son, Sam.

A year ago, Gemma met the love of her life, Danny. Since then, their relationship has been perfect. But one evening, Danny doesn’t return home. Gemma turns to the police. She is horrified by what she discovers – a serial killer is on the loose in Bristol. When she sees photos of the victims she is even more stunned...they all look just like Danny. Who would you believe? But the police are suspicious. Why has no one apart from Gemma heard from Danny in weeks?

On a summer's night in 1994, 16-year-old Flora Powell vanished from her sleepy seaside town without a trace. Their hearts shattered, Flora’s mother, her sister Heather, and Heather’s best friend Jess had to somehow carry on not knowing what happened. Twenty-five years later, tragedy strikes again when Heather walks into a stranger's house and allegedly kills two people in cold blood. Why would this loving wife and doting new mother commit such a heinous crime? Jess, now a reporter, returns to the hometown she left behind to cover the case and dig for answers.

Sarah is a young professor struggling to prove herself in a workplace controlled by the charming and manipulative Alan Hawthorne, a renowned scholar and television host. The beloved professor rakes in million-dollar grants for the university where Sarah works - so his inappropriate treatment of female colleagues behind closed doors has gone unchallenged for years. And Sarah is his newest target. When Hawthorne's advances turn threatening, she’s left with nowhere to turn.

When Detective Mike West is called to investigate a murder in a Dublin graveyard, suspicion immediately falls on a local woman, Edel Johnson, whose husband disappeared some months before. But then she disappears. Evidence leads West to a small village in Cornwall, but when he arrives, he finds Edel has got there before him. Her explanation seems to make sense, but as West begins to think his suspicions of her are unfounded, she disappears again. Is she guilty? West, fighting an unsuitable attraction, doesn't want to believe it.

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.

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.

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.

As the only survivor of a horrific car crash, Lila Amberson believes she's on the road to recovery after being released from the hospital. Her memories of the accident are blurred though and a series of unsettling incidents leave her fearing for her safety. Does she have survivor's guilt or is something more sinister at play? Jack Foley's reeling from the shock of losing his sister in the crash, so when he first meets Lila, he lashes out, blaming her for Stephanie's death. But when she gives him a locket that she believes belonged to his sister, it presents more questions than answers.

Astrid Bell has known most of her roommates for years, but while they have a history together - romantic pairings, one-night stands, friendships - each of them also has a past. Astrid is on her way home one day when her neighbor knocks her off her bike. Seeing she is bruised but not broken, her roommates help her home. The next day, they learn that same neighbor was beaten to death hours later. Each of them tells the police what they know and are dismissed - until Astrid stumbles over another body.

The first time somebody tried to kill him was an accident. The second time was deliberate. Now Paul Mulchrone finds himself on the run with nobody to turn to except a nurse who has read one-too-many crime novels and a renegade copper with a penchant for violence. Together they must solve one of the most notorious crimes in Irish history. Or else they’ll be history.