A vicious serial killer slithers from the darkness, determined to resurrect the ways of a long-dead civilization. When the ex-wife of one of DCI Michael Yorke’s closest allies is left mutilated and murdered, Yorke and his team embark on their greatest test yet. A deeply personal case that will push them to their very limits. And, as Yorke’s team are pulled further into the dark, the killer circles, preparing to strike again.

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. 

Running from a world which wants him dead, ex-detective Sergeant Jake Pettman journeys to the isolated town of Blue Falls, Maine, home of his infamous, murderous ancestors. But Jake struggles to hide from who he is, and when a child disappears, he finds himself drawn into an investigation that shares no parallels to anything he has ever seen before. Held back by a chief of police plagued and tormented by his own secrets, Jake fights for the truth. All the way to the door of Jotham MacLeoid. An insidious megalomaniac who feeds his victims to a killing pit.

When DS Josie Masters is called out to a house in North Oxford to investigate a serious incident, things take a personal turn. The body is Harry’s - her friend and former colleague. Josie thought Harry lived alone, but evidence suggests he’d had a lodger - a young woman who has fled the scene.

Following a devastating encounter with a serial killer, Detective Inspector Freya Bloom is left mentally scarred. After a six-month sabbatical, and with no desire to return to the bustling London streets, she accepts a position in rural Lincolnshire in search of a slower pace of life. But with London behind her, and a new life in the wild fens of Lincolnshire before her, she finds only endless drama in her new team, a tortured romance in her only ally, and crimes so deadly even the steely determination that drove her to success is tested.

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.

Finding a home at DCI Alexander Monroe's Last Chance Saloon Crime Unit, Declan and his team are still recovering from the fallout connected to their most recent case.... But when Declan's old mentor, now terminally ill with cancer confesses to a gruesome murder, on the condition that Declan himself takes on the case, Declan and his colleagues find themselves in a race against time to find the real killer before a violent gang war breaks out over it. 

DI Fred Fairservice has just returned from holiday when he’s confronted with several mysterious deaths; the mutilated dead body of a junkie, the apparent suicide of a housewife, and the murder of a cannibal...But the strangest element of the case is the connection to the deaths of several old men and women who are found with spiders placed in their mouths. Slowly it dawns on Fred that it’s all too familiar and echoes something strange and macabre that happened to him when he was a boy. It can’t be just a coincidence.

Detective Chief Inspector Ryan retreats to Holy Island seeking sanctuary when he is forced to take sabbatical leave from his duties as a homicide detective. A few days before Christmas, his peace is shattered, and he is thrust back into the murky world of murder when a young woman is found dead amongst the ancient ruins of the nearby priory. When former local girl Dr. Anna Taylor arrives back on the island as a police consultant, old memories swim to the surface, making her confront her difficult past.

A sinking boat is spotted off the South Coast. Waiting onboard is a grisly discovery. DCI Boyd, recently relocated from London to Hastings, is now with the East Sussex CID, and his first case is that of a local businessman and his new young wife, missing in the English Channel. All that remains of them is a grim scene aboard their half-submerged yacht and a digital trail of clues that could put Boyd and his daughter, Emma, in danger. 

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?

Meet Zoe Finch, West Midlands Police's newest Detective Inspector. She's outspoken, ambitious, and damaged. And she's working a case that could make her career, or cost her everything...Fresh from the success of the Canary investigation into depravity and corruption at the highest levels, she's attracted attention. Not least from Assistant Chief Constable Bryn Jackson. But when Jackson is brutally murdered on the night of his retirement party, Zoe is dragged into a case that's deeply personal.

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. 

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.

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.