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?

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.

Detective Chief Inspector Harry Grimm is forced to take leave from Bristol’s Major Investigations Team when his boss, tired of Harry chasing the ghost of his murderous father, sends him north on secondment. Used to city life and high stress, Harry fears his life will now be spent handing out speeding tickets, finding lost sheep, and directing tourists. But when a local teenager runs away, Harry finds himself pulled into an investigation much worse than anyone could have ever expected. 

When the chief suspect in the notorious "peekaboo cop killer" case blew himself up, almost taking lead investigator DCI  Duncan Bone with him, the psychologically damaged detective thought his days on the force were over. But, when another PC is abducted and murdered in the same deranged peekaboo fashion, Bone is persuaded to return to lead the new investigation.

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.

With a glittering career, spanning several decades representing the privileged and the wealthy, behind him the focus of the investigation inevitably turns toward cases and clients past and present, but was his death linked to his work or is there another, darker and far more sinister motive at play? No matter how successful, privileged or elevated in society one person can be, one universal rule applies; we all bleed the same.

The head of Scotland’s most powerful crime family is brutally murdered, his body dumped inside an ancient grave in a remote cemetery. Detectives Max Craigie and Janie Calder arrive at the scene, a small town where everyone has secrets to hide. They soon realise this murder is part of a blood feud between two Scottish families that stretches back to the 1800s. One thing’s for certain: it might be the latest killing, but it won’t be the last.

Meet DCI Lesley Clarke. She’s a straight-talking city copper who doesn’t suffer fools gladly…and she’s been transferred to rural Dorset. After being injured in a bomb attack, Lesley is presented with a choice - early retirement, or a period of respite in a calmer location. But things don’t stay calm for long. Before she’s even started her new job, Lesley is dragged into investigating a murder at one of England’s most iconic landmarks, the imposing Corfe Castle.

Haunted by his inability to track down and save his missing wife, DCI Robert Kett leaves the Metropolitan Police behind and moves to Norwich with his three young children, hoping to heal their broken family. But his newfound peace doesn’t last. Two newspaper delivery girls have gone missing in the city, and the clues point to a serial kidnapper. Kett is dragged into the centre of one of the darkest cases of his career - a case that pits him head-to-head against a horrifying evil.

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.

When Victoria Davies was pushed off her stately home's roof in 2001, all evidence pointed to her husband Michael. But now, 20 years later a letter has appeared, written by Victoria before her death; a letter that was never received, and a letter that brings new suspects into the fray; Labor MPs Shaun Donnal, Andrew MacIntyre, and Charles Baker.

When DS Royston Chase is called to the scene of a fatal road collision, his task is to identify the girl who died alongside the ex-chief constable of Wiltshire Police. Paired with the bold and strident DC Claire Laney, Chase is given the task of closing the case quickly and quietly. But when the girl’s DNA provides a familial link to a child who vanished from her home 20 years earlier, Chase and Laney refuse to accept the coincidence. The pair start looking harder at the ex-cop’s life, at which point they encounter serious opposition. Perhaps deadly serious.

When a body is discovered, bled dry on a beach, the sleepy seaside town of Weston-super-Mare wakes up to a nightmare. For Detective Inspector Louise Blackwell, recently transferred to the town she last saw as a child, it’s her first case on the job. The victim - Veronica Lloyd, an elderly volunteer at a local church - has puncture wounds to her hands. When a priest is found killed in a nearby church in a similarly grisly condition, it becomes clear that Blackwell is dealing with a righteous and bloody murderer. But the victims aren’t random.

Detective Erika Foster is on a late-night walk near her new house in Blackheath when she stumbles upon the brutal murder of Vicky Clarke, a true-crime podcaster. Erika is assigned to the case and discovers that Vicky had been working on a new podcast episode about a sexual predator who preys on young female students around South London, staking out his victims in their halls of residence before breaking in at the dead of night.

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.