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.

Brighton, 1950: When the body of a girl is found, cut into three, Detective Inspector Edgar Stephens is reminded of a magic trick: the Zig Zag Girl. The inventor of the trick, Max Mephisto, is an old friend of Edgar's. When the dead girl turns out to be known to him, Max decides to help Edgar investigate.

Clare Cassidy is no stranger to murder. As a literature teacher specialising in the Gothic writer R. M. Holland, she teaches a short course on it every year. Then Clare's life and work collide tragically when one of her colleagues is found dead, a line from an R. M. Holland story by her body. The investigating police detective is convinced the writer's works somehow hold the key to the case.s....  

DS Wesley Peterson, newly arrived in the West Country town of Tradmouth, has his hands full when a child goes missing and a young woman is brutally murdered on a lonely cliff path. Then his old friend, archaeologist Neil Watson, unearths the skeletons of a strangled woman and a newborn baby in the cellar of an ancient merchant's house nearby. As the investigation continues, Wesley begins to suspect that these deaths, centuries apart, may be linked by age-old motives of jealousy, a sexual obsession and desperate longing.

The death of a 90-year-old woman with a heart condition should absolutely not be suspicious. DS Harbinder Kaur certainly sees nothing to concern her in carer Natalka's account of Peggy Smith's death. But then Natalka reveals that Peggy lied about her heart condition and that she had been sure someone was following her.... 

There's a serial killer targeting the streets of Newcastle, seemingly picking his victims at random but subjecting them all to the same torturous end. When the Chief Inspector on the case goes missing, it falls on DCI Ryan to track down the man who is brutally murdering women and goading the police to 'catch me if you can'. As everyone becomes a suspect, Ryan and his team get drawn further and further into the case, but for Ryan the nightmare gets closer to home than he could ever have imagined. 

Crimebusting duo DI Jackman and DS Evans are back, solving another crime that will make your skin crawl. Twenty years ago: a farmer and his wife are cut to pieces by a ruthless serial killer. Now: a woman is viciously stabbed to death in the upmarket kitchen of her beautiful house on the edge of the marshes. Then a man called Daniel Kinder walks into Saltern police station and confesses to the murder. But DI Rowan Jackman and DS Marie Evans of the Fenland Constabulary soon discover that there is a lot more to Daniel than meets the eye.

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 a troubled model falls to her death from a snow-covered Mayfair balcony, it is assumed that she has committed suicide. However, her brother has his doubts, and calls in private investigator Cormoran Strike to look into the case.Strike is a war veteran - wounded both physically and psychologically - and his life is in disarray. The case gives him a financial lifeline, but it comes at a personal cost: the more he delves into the young model's complex world, the darker things get - and the closer he gets to terrible danger...

When Simon Serrailler was a rookie constable with the Met, he did something reckless in the course of a night's work which caused a man's death. But his act was praised by his colleagues, and he was called a hero. Years later, now a detective chief superintendent who has been badly injured in the course of duty, he receives a medal for bravery at Buckingham Palace while recollecting that fateful night of his early career, when chance disguised itself as bravery.

On a freezing winter morning, fishermen pull a body from the sea. It is quickly discovered that the dead man was the prime suspect in a decade-old investigation, when a prominent civil servant disappeared without trace. DCI Karen Pirie was the last detective to review the file and is drawn into a sinister world of betrayal and dark secrets. But Karen is already grappling with another case, one with even more questions and fewer answers. A skeleton has been discovered in an abandoned camper van and all clues point to a killer who never faced justice - a killer who is still out there.

First a shooting, then a grisly discovery on the common.... Police partners, D.I. Calladine and D.S. Ruth Bayliss race against time to track down a killer before the whole area erupts in violence. Their boss thinks it's all down to drug lord Ray Fallon, but Calladine's instincts say something far nastier is happening on the Hobfield housing estate. Can this duo track down the murderer before anyone else dies and before the press publicise the gruesome crimes?

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 girl’s body is found strangled, raped, and horrifically mutilated by a boat’s propeller, deep in the heart of the Norfolk Broads, newly arrived Detective Inspector John Tanner is asked to assist with the investigation. At first, all the evidence points to a man who had a multi-million-pound reason to kill her. But when an alibi is produced from an unexpected source, and another body appears at the base of a slipway, Tanner finds himself turning to local girl Detective Constable Jenny Evans for help. 

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.