Who can you turn to if not the police? Essex, Christmas Day. As the residents of a small town enjoy their mince pies, shots ring out in the street. Five people are gunned down before the lone shooter turns his weapon on himself. Grace Fisher, now Detective Inspector, is tasked with making some sense of this atrocity - all the more sensitive because the first of the victims was one of their own: a police officer.

Julia and Livy have always told each other everything, turning to each other when life gets difficult. So when Julia is found dead in her home, Livy cannot accept the verdict of suicide. Livy sets out to prove that Julia was murdered, but digging into Julia’s private life will cause her to question everything. The truths that Livy discovers will tear the very fabric of her own life apart.

Was the biggest case of his career the worst mistake he ever made? Ten years ago, DCI Jack Logan stopped the serial child-killer dubbed "Mister Whisper", earning himself a commendation, a drinking problem, and a broken marriage in the process...When another child disappears a hundred miles north in the Highlands, Jack is sent to lead the investigation and bring the boy home. But as similarities between the two cases grow, could it be that Jack caught the wrong man all those years ago?

Criminologist Martin Knight lives a gilded life and is a thorn in the side of the police. But then his wife, Liz, goes missing. There is no good explanation and no sign of Martin.... To make things worse, Liz is the ex-girlfriend of DCI Craig Gillard who is drawn into the investigation. Is it just a missing person or something worse? And what relevance do the events around the shocking Girl F case, so taken up by Knight, have to do with the present? The truth is darker than you could ever have imagined.

When a body is found in a locked house, Detective Sergeant Jessica Daniel is left to not only find the killer but discover how they got in and out. With little in the way of leads and a journalist who seems to know more about the case than she does, Jessica is already feeling the pressure - and that's before a second body shows up in identical circumstances to the first. How can a murderer get to victims in seemingly impossible situations and what, if anything, links the bodies?

One psychopath. One killer. The Stabber. Six victims, all wife beaters. Each stabbed to death through their left eye. Six victims, all wife beaters. Each stabbed to death through their left eye. The cobbled lanes and backstreets of St Andrews provide the setting for these brutal killings.

It's 1975. A baby, minutes old, is forcibly taken from its devastated mother. In 2010, the body of an elderly woman is found in a Dublin public park in the depths of winter. Detective Inspector Tom Reynolds is working the case. He's convinced the murder is linked to historical events that took place in the notorious Magdalene Laundries. Reynolds and his team follow the trail to an isolated convent in the Irish countryside. But once inside, it becomes disturbingly clear that the killer is amongst them....

Ursula is unable to face up to the tragedy that consumes her, her world has shrunk to an almost unrecognisable state. Then Alice, who’s in the first flush of her relationship with Simon who seems perfectly normal—except that he flinches at the slightest touch. And Gareth, who lives a humdrum life as he struggles to cope with his mum’s increasing dementia. She can’t remember much about her days—not even when a postcard from his long-dead father comes through the door. None of these three strangers have ever met, but their worlds will soon collide.

A tragic family event reveals devastating news that rips apart Bella's comfortable existence. Embarking on a personal journey to uncover the truth, she faces a series of traumatic discoveries that take her to the ruggedly beautiful Cornish coast, where hidden truths, past betrayals and a 25-year-old mystery threaten not just her identity but her life.

The body of a young woman is found in the Bradfield canal: a new case for DCI Thackeray. But with the entire town focused on the local club's match against Chelsea, no one seems able to identify the girl, let alone give any clue as to how she died. Meanwhile, Thackeray's girlfriend, reporter Laura Ackroyd, stumbles upon evidence of shady dealings by the club's directors and unsavoury goings-on at post-game parties. But in her pursuit of answers, Laura may be putting Thackeray's job and her life in danger.

Former soldier. Ex-copper. Current man on the edge. Shunned by his old colleagues, and dividing his time between a dead-end job and the bottom of a whisky bottle, former Police Scotland detective superintendent Bob Hoon’s life is a mess. Then an old face from Hoon’s Special Forces days turns up asking for help: His teenage daughter has been missing for months, the police have drawn a blank, and he needs the kind of help that only Hoon can provide. And besides, Hoon owes him one.

Five figures gather 'round a shallow grave. They had all taken turns to dig. An adult-sized hole would have taken longer. An innocent life had been taken, but the pact had been made. Their secrets would be buried, bound in blood. Years later a headmistress is found brutally strangled, the first in a spate of gruesome murders that shock the Black Country.

A family is gunned down in the snow, but one of the children survives. Three years on, that child takes revenge, and the Snow Killer is born. But then, nothing - no further crimes are committed, and the case goes cold. 50 years later, has the urge to kill been reawakened? As murder follows murder, the detective team tasked with solving the crimes struggle with the lack of leads. It’s a race against time and the weather - each time it snows, another person dies.

A young woman turns up at a police station. She has been kept prisoner in her own home. Abused and tortured, her every move watched, her every thought controlled. Now she's finally escaped. That's what she says. But when the police arrive at the address she's given them, her story doesn't seem to add up. Her husband is missing, but his phone and wallet are still in the house. She says she's the victim, but what if she's not? What if the stories she's telling aren't her stories at all....

Ellen was just trying to help a stranger. That was how it started: giving a few minutes respite to a flustered young mother sitting opposite her on the train. A few minutes holding her baby while the mother makes an urgent call. The weight of the child in her arms making Ellen's heart ache for what she can never have. Five minutes pass. Ten. The train pulls into a station and Ellen is stunned to see the mother hurrying away down the platform without looking back.