When the body of a man is found dead in his remote, isolated home, DI Tom Janssen and his team struggle to understand what motive there could be to murder such an inoffensive, seemingly placid local character. The man lived alone and was well known in the community, but kept his distance from others, leading a haphazard way of life almost entirely off the grid. What secrets did he hide in his private life that might be worth killing for? As the team are about to understand, even the most nondescript of people can exist in a world darker than most of us will ever see....

DI Nathaniel Caslin’s life is a mess. He works the minimum, abuses substances to survive the day and drinks his nights away. A once-promising career is in freefall. Investigating the death of an ex-serviceman in police custody reveals the disappearance of a young family. No-one noticed. No-one seems to care. 

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. 

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. 

The head of Scotland’s most powerful crime family is brutally murdered, his body dumped inside an ancient grave in a remote cemetery. DS Max Craigie and DC 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.

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.

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.

When the body of a famous television academic is discovered in Greenwich Park, carefully positioned beside a megalithic stone fountain and missing a hand, DI Declan Walsh and the team of the Last Chance Saloon find themselves not only involved in a case that connects to the supernatural, but one that also involves 17th-century architects, Ley Lines, nuclear reactors and a secret black market organisation that specialises in particular occult items.

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.

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.

When a toddler goes missing in the middle of a bustling Bradford park in broad daylight, Detective Daniel Ward is put on the case. It ought to be an open and shut investigation, but the hours tick by, and Millie Thompson is nowhere to be found. There’s only one conclusion DI Ward can come to: She was taken. When a known child-killer is spotted in the vicinity, Ward fears the worst. He has to catch up with the only lead he has before the infamous Hunters - merciless vigilante justice seekers who will seek retribution at any cost - catch up with his suspect first.

Two marked men, three missing women and an approaching storm, powerful enough to change the Norfolk landscape forever. As a category four storm looms large over Norfolk’s wide open horizon, DI John Tanner is given the task of solving a high-profile murder. But when another body is found just as three women are reported missing, he faces a race against time to uncover the truth before the storm moves in to destroy everything in its path, including the evidence Tanner so desperately needs.

DI Nikki Galena: A police detective with nothing left to lose, she's seen a girl die in her arms, and her daughter will never leave the hospital again. She's gotten tough on the criminals she believes did this to her. Too tough. And now she's been given one final warning: make it work with her new sergeant, DS Joseph Easter, or she's out.

When she's not digging up bones or other ancient objects, Ruth Galloway lectures at the University of North Norfolk. She lives happily alone in a remote place called Saltmarsh overlooking the North Sea and, for company; she has her cats Flint and Sparky, and Radio 4. When a child's bones are found in the marshes near an ancient site that Ruth worked on ten years earlier, Ruth is asked to date them.

Ex-priest DI Frank Farrell has returned to his roots in Dumfries, only to be landed with a disturbing murder case. Even worse, Farrell knows the victim: Father Boyd, the man who forced him out of the priesthood 18 years earlier. With no leads, Farrell must delve into the old priest’s past, one that is inexorably linked with his own. But his attention is diverted when a pair of twin boys go missing. The Dumfries police force recover one in an abandoned church, unharmed. But where is his brother?