When a bloody corpse is discovered in a North London park, Detective Inspector Daniel Graves is the man tasked with finding the killer. However, with no clues and no suspects, the case seems like a dead end. Then another body turns up—and this time, it looks like it could be Graves’s fault. Has his investigation caused the murderer to strike again? As the case gets ever more complicated, a report comes in of another suspicious death—but this is nothing like any other Graves has dealt with. All involved are convinced that something supernatural is to blame: a demon.

Met cop DI Rob Marshall is hot on the trail of the serial killer known as the Chameleon, who has abducted, tortured and killed a series of young women in Northwest London. As they close in, the Chameleon—who switches identity to get close to his victims—shoots Marshall’s partner and escapes.

D.I. Duncan McAdam is dispatched home to the Misty Isle. A body has been found buried in a remote location on the Waternish peninsula. Well-preserved in the peat, Isla Matheson—missing for the better part of two decades—is revealed to a shocked island community. A teenage runaway is dead...and no one is talking.

When a landslip on Pembrokeshire’s stunning coastal path reveals the harrowing remains of two bodies, ex-DCI Evan Warlow’s quiet retirement is shattered.

One morning Gwen Thomas takes a short walk with her Siberian husky in the outskirts of the Welsh town she calls home. She is drawn to a desolate area where, some 20 years ago as a teenager, she was brutally attacked and her friend killed. Disorientated by a sudden rush of memories, she has a fall. Later, recovering in hospital, she begins to recollect the events that led up to her friend’s death.

The story opens with the apparently accidental drowning of a sixth form student in the Norfolk countryside. As a matter of routine, or so it seems, the case passes across the desk of Detective Sergeant Smith, recently returned to work after an internal investigation into another case that has led to tensions between officers at Kings Lake police headquarters. As an ex-DCI, Smith could have retired by now, and it is clear that some of his superiors wish that he would do so.

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.

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.

Three Chicago women have been found strangled, embalmed, and posed as if still alive. Doubting the findings of the local PD’s profiler, the FBI calls on forensic psychologist Zoe Bentley to investigate. Zoe quickly gets off on the wrong foot with her new partner, Special Agent Tatum Gray. Zoe’s a hunter, intense and focused; Tatum’s a smug maverick with little respect for the rules.

Twenty-year-old Kendele Byers is savagely killed and buried in a shallow grave. She had a violent past, a bizarre, kinky line of work, and the suspect list grows longer every day. But when another woman is murdered, Detective Mitchell Lonnie realizes that there's something much more sinister afoot: a connection between the two murders. Both victims had received a clue hinting at their oncoming demise several minutes before they were attacked. There's a serial killer in Glenmore Park.

When a woman's body is discovered in a cathedral and hours later a young man is found hanging from a tree outside his home, Detective Lottie Parker is called in to lead the investigation. Both bodies have the same distinctive tattoo clumsily inscribed on their legs. It's clear the pair are connected, but how? The trail leads Lottie to St Angela's, a former children's home, with a dark connection to her own family history. Suddenly the case just got personal.

Five years ago, DCI John Lomond led the search for notorious Glasgow child-killer ‘The Sandman', until personal tragedy forced him off the case. In Lomond's absence, the killer was never found. Now, with nothing but work left in his life, Lomond remains obsessed with the case–despite the nightmares it brings. When a child is abducted in similar Sandman fashion from an affluent Glasgow suburb, Lomond is brought in to find them before it's too late.

A brutal double murder on a Norfolk beach horrifies the town of Cromer. The way the victims died is chilling and so Norfolk’s Major Investigation Team task DS Ashley Knight to manage the case. It soon becomes clear that the murders were carefully planned and the finger of suspicion points to an organised crime gang, but as the evidence mounts, a far more sinister theory emerges.

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.

Fresh out of uniform, DC Jimmy Bliss finds himself at the centre of an undercover sting. Enlisted by a crew of villains to crack a safe, he fears his cover is blown when he’s seen in the wrong place at the wrong time. But on the night of the job, things run smoothly enough until the gang leader changes the location of the heist. As the job spirals out of control, Bliss has to trust his instincts and buy some time. There’s just one problem: he has no idea if his team know what has become of him.

On a remote Highland mountain, the body of Elaine Buxton is burning. All that will be left to identify the respected lawyer are her teeth and a fragment of clothing. In the concealed back room of a house in Edinburgh, the real Elaine Buxton screams into the darkness…. Detective Inspector Luc Callanach has barely set foot in his new office when Elaine’s missing persons case is escalated to a murder investigation. Having left behind a promising career at Interpol, he’s eager to prove himself to his new team.

Six months ago, Charlotte almost lost everything. Now, she’s determined to keep her daughter, Elle, safe. So when local girls close to Elle in age and appearance begin to go missing, it’s her worst nightmare. Charlotte’s fears are confirmed when a frantic search becomes a shocking murder investigation. The girls’ bodies have been found - half-buried, and with traces of mud and wildflowers under their fingernails. As Charlotte’s obsession with keeping her daughter close pushes her marriage to the brink, local DI Madeleine Wood embarks on a gruelling search for the killer.

When Bethany's lover is brutally murdered, she has to hide her grief from everyone. But someone knows her secret. And then one day the threats begin. With an ever-growing pile of evidence pointing to her as the murderer, the only way she can protect her secrets is to prove her innocence. And that means tracking down a killer.

Jonah Miller is a Reviver, able to temporarily revive the dead so they can say goodbye to their loved ones - or tell the police who killed them. Jonah works in a department of forensics created specifically for Revivers, and he’s the best in the business. For every high-profile corpse pushing daisies, it’s Jonah’s job to find justice for them. But while reviving the victim of a brutal murder, he encounters a terrifying presence. Something is on the other side watching. Waiting.

A violent rapist is attacking women, leaving them for dead on south London streets. When young policewoman Maeve Kerrigan responds to a domestic disturbance, she's horrified to stumble across the latest victim. But as a new recruit - and a female to boot - she'll have to face down not only her own nerves but rampant sexism from her colleagues if she wants to be taken seriously enough to even assist on the case.

Time's up. You're Next. "All he had to do was name the woman he wanted. It was that easy. They would do all the hard work. "Detective Sergeant Mark 'Heck' Heckenburg is investigating the disappearance of 38 different women. Each one was happy and successful until they vanished without a trace. Desperate to find her missing sister, Lauren Wraxford seeks out Heck's help.

Rush hour, London. A packed commuter train is torn apart in a collision. Picking through the carnage, ex-special forces profiler Ziba MacKenzie helps a dying woman who passes on a cryptic message: He did it. You have to tell someone. When a corpse is found bearing the gruesome signature of a serial killer dormant for twenty-five years, Ziba is pulled into the hunt for the perpetrator. As the body count rises it becomes clear he’s on a new spree. But what’s brought the London Lacerator back after such a long hiatus?

A killer is on the loose, blurring the line between fact and fiction. His prey - the writers of crime novels who have turned psychological profilers into the heroes of the nineties. But this killer is like no other. His bloodlust shatters all the conventional wisdom surrounding the motives and mechanics of how serial killers operate. And for one woman, the desperate hunt to uncover his identity becomes a matter of life and death.

Dear Elizabeth, I've been watching you. I hope to see you...soon. Liz Cafferky is on the up. Rescued from her dark past by the owner of a drop-in centre for older men, Liz soon finds herself as the charity's face - and the unwilling darling of the Dublin media. Amidst her claustrophobic fame, Liz barely notices a letter from a new fan. But then one of the centre's clients is brutally murdered, and Elizabeth receives another, more sinister note. Running from her own ghosts, Liz is too scared to go to the police.

When the naked, battered body of an unidentified teenager is found dumped in an alleyway, postmortem finds evidence of a harrowing series of events. Another teenage death with the same MO pushes DI Hannah Robbins and her team on the Nottingham City division Major Crimes Unit to their limits - and across county borders.

Cardiff Bay. The government has ordered the excavation of the wreckage of a secret underground base. DCI Tom Cutler is watching from a distance, fascinated by the process. There are people in his dreams. People he feels he should know. The disbanded Torchwood Institute spent a century accumulating non-terrestrial artefacts and catching aliens. Who knows what - or who - might still be intact down there. But by the time they find the first body, Suzie Costello is long gone. Based on the hit series created by Russell T. Davies, Long Time Dead is a prequel....

Profoundly deaf since early childhood, Caleb has always lived on the outside - watching and picking up tell-tale signs people hide in a smile, a cough or a kiss. When a childhood friend is murdered, a sense of guilt and a determination to prove his own innocence sends Caleb on a hunt for the killer. But he can’t do it alone....

In one terrible moment, paramedic Sophie Phillips' life is ripped apart - her police officer husband is shot on their doorstep and their ten-month-old son is abducted from his bed. Suspicion surrounds her possibly corrupt husband, but Sophie believes the attack is much more personal. Sophie enlists her husband's partner in the hunt for her son, but will the history they share prove harmful to Sophie's ability to complete her mission?

M.J., her partner Gilley, and their client, the wealthy, de-lish Dr. Steven Sable, are at his family's lodge, where his grandfather allegedly jumped to his death from the roof-although Sable says it was foul play. But the patriarch's isn't the only ghost around. The place is lousy with souls, all with something to get off their ghoulish chests. Now M.J. will have to quell the clamor-and listen for a voice with the answers...

Crime reporter Eve Singer's career is on the downward slope when a spate of bizarre murders - each carefully orchestrated and advertised like performance art - begin in her territory. Covering these very public crimes revives her byline, and when the killer contacts Eve to discuss her coverage of his crimes, she is suddenly on the inside of the biggest murder investigation of the decade. But as the killer becomes increasingly obsessed with her, Eve realizes there's a thin line between inside information and becoming an accomplice to murder.