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.

Meet Janine Lewis. A single mom of three and Manchester’s newest detective chief inspector. Her cheating husband walked out the day she got promoted. Now she’s six months pregnant with his baby and in charge of her first murder case. The body of a deputy head teacher is found on a lonely allotment. Gutted—his stomach sliced open—and left for dead. The only witnesses are a dying elderly man and a seven-year-old girl. And now the prime suspect has disappeared.

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.

Former detective sergeant Norman Norman’s retirement is boring him to tears. So when he’s asked to assist an upcoming female DI and mentor a new team of misfits in a sleepy Welsh coastal town, he jumps at the opportunity. But the training has barely begun when a woman’s corpse washes up on the sand. With no reports of missing persons, DS Norman is stumped...until the post-mortem reveals a shocking hint to the culprit being local. But with a growing list of suspects who all have alibis, the experienced cop and his fledgling team’s first case could be their last.

On a wild and stormy night on England’s south coast, ambitious young police constables Rutherford Barnes and Harriet Holden are doing the rounds when they see a burglar fleeing the scene of the crime. And the location is Harriet’s house. The ground floor is ransacked. Scrawled in red across one wall are the words: DEAD COPS SLEEP LONG. Then a few days later, Harriet’s battered body is discovered in a shabby seafront hotel. Newly promoted to detective, Barnes vows to discover who killed his partner, and why.

When the body of a woman is found hanging from a tree in her front garden, rookie Detective Morgan Brookes is first on the scene. But Olivia Potter is past saving. And when her husband and daughters cannot be traced, Morgan knows there is more to this tragedy. And then she finds them. Lying huddled together in the dark basement, each of their faces covered with a small cotton cloth, their bodies cold to the touch. But as Morgan kneels beside the family, she realizes that one of the girls is still breathing.

A young woman is brutally attacked on her way home. It looks like she was the victim of a jilted—and twisted—ex-lover. But then two more women, also engaged to be married, are found dead. The press call the killer the "Surrey Stalker". And there’s a stack of similar cold case files. The pressure is on for young, ambitious DI Rob Miller. But with all the time he’s spending at the office, Rob’s also running a fine line trying to keep his fiancée, Yvette, onside as they try to plan their wedding.

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.

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.

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.

Starting a new life in Snowdonia was always DI Ruth Hunter's dream. Until a twisted killer turned it into her worst nightmare. Detective Inspector Ruth Hunter lives with the pain of her partner’s mysterious and unsolved disappearance. About to hit 50, the veteran police officer trades in the crime-ridden streets of London for a more peaceful life in rural North Wales. But Ruth has barely settled into her new position in North Wales Police, when the body of a brutally murdered woman is discovered...with strange symbols carved into her skin.

When a young boy discovers the body of a woman beneath a thick sheet of ice in a South London park, Detective Erika Foster is called in to lead the murder investigation. The victim, a beautiful young socialite, appeared to have the perfect life. Yet when Erika begins to dig deeper, she starts to connect the dots between the murder and the killings of three prostitutes, all found strangled, hands bound, and dumped in water around London.

DI Amy Winter is hoping to follow in the footsteps of her highly respected police officer father. But when a letter arrives from the prison cell of Lillian Grimes, one half of a notorious husband-and-wife serial-killer team, it contains a revelation that will tear her life apart. Responsible for a string of heinous killings decades ago, Lillian is pure evil. A psychopathic murderer. And Amy’s biological mother. Now, she is ready to reveal the location of three of her victims - but only if Amy plays along with her twisted game.

A man’s body washes up on a beach on the North Yorkshire coast with a single gunshot wound to the chest. The only clue to the victim’s identity is a ring engraved with two names. DCI Tom Raven is back in his hometown of Scarborough for the first time in over 30 years. When offered the chance to lead the murder investigation, he takes it. Raven quickly discovers that the prime suspect is his once-teenage friend, now a wealthy but shady businessman. He finds an ally in Detective Sergeant Becca Shawcross, but not everyone in the team is on his side.

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.

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.

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.

On the day she returns to active duty with the Serial Crimes Unit, Detective Inspector Anjelica Henley is called to a crime scene. Dismembered body parts from two victims have been found by the river. The modus operandi bears a striking resemblance to Peter Olivier, the notorious Jigsaw Killer, who has spent the past two years behind bars. When he learns that someone is co-opting his grisly signature - the arrangement of victims’ limbs in puzzle-piece shapes - he decides to take matters into his own hands.

Detectives Cara Elliott and Noah Deakin are on the case of a series of seemingly unconnected murders, each different in method but shocking and brutal. As the body count increases, they can’t ignore the details that echo famous cases of the past. As Elliott and Deakin get closer to unmasking the killer, the murders are moving closer to home. Meanwhile, Jessica Ambrose is on the run, implicated as the arsonist who killed her husband and injured her daughter. With the help of disgraced detective Nate Griffin, Jess discovers a link between her case and the ultimate copycat killer.

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.

William Fawkes, a controversial detective known as The Wolf, has just been reinstated to his post after he was suspended for assaulting a vindicated suspect. Still under psychological evaluation, Fawkes returns to the force eager for a big case. When his former partner and friend, detective Emily Baxter, calls him to a crime scene, he's sure this is it: the body is made of the dismembered parts of six victims, sewn together like a puppet - a corpse that becomes known as "The Ragdoll".

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.

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?

The Dead Eyes killer lurks in the backyard of the FBI's famed Behavioral Analysis Unit. His brutal murders, unlike any others previously encountered, confound the local task force, despite the gifted skills of Special Agent Karen Vail, the first female ever promoted to the profiling unit. But along with her keen insight, Vail brings considerable personal and professional baggage—both of which threaten to derail the investigation, destroy her storied career and get her killed.

When a local girl falls prey to a sadistic serial killer, Nashville homicide lieutenant Taylor Jackson and her lover, FBI profiler Dr. John Baldwin, find themselves in a joint investigation pursuing a vicious murderer. The Southern Strangler is slaughtering his way through the Southeast, leaving a gruesome memento at each crime scene – the prior victim’s severed hand.

Alice: beautiful, kind, manipulative, liar. Clare: intelligent, loyal, paranoid, jealous. Clare thinks Alice is a manipulative liar who is trying to steal her life. Alice thinks Clare is jealous of her long-lost return and place in their family. One of them is telling the truth. The other is a maniac. Two sisters. One truth.

A week's holiday in a luxurious hotel is just what Scotland Yard's Superintendent Duncan Kincaid needs. But his vacation ends dramatically with the discovery of a dead body in the whirlpool bath. Despite a suspicious lack of cooperation from the local constabulary, Kincaid's keen sense of duty won't allow him to ignore the heinous crime, impelling him to send for his enthusiastic young assistant, Sergeant Gemma James. But the stakes are raised significantly when a second murder occurs....

He's posted on your wall. He's following you on Twitter. He knows where you are right now.... When Amy receives an email from her older sister, Becky, announcing that she's off travelling and 'don't try to find me', she is worried. Becky would never do such a thing on a whim. Amy - who is recovering from an abusive relationship that has left her terrified of love - soon finds that Becky had started using online dating sites. Aided by Becky's neighbour, Gary, Amy sets about tracking down the men her sister had dated.

When Professor Alan Tunbridge is discovered in his office with his throat slashed, the suspects start queuing up. The brilliant but unpleasant microbiologist had a genius for making enemies. For Warren Jones, newly appointed Detective Chief Inspector to the Middlesbury force, a high-profile murder is the ideal opportunity. He’s determined to run a thorough and professional investigation but political pressure to resolve the case quickly and tensions in the office and at home make life anything but easy.

A missing schoolgirl is found buried in the Dublin Mountains, hands clasped together in prayer, two red ribbons in her hair. Twenty-four hours later, a second schoolgirl is found in a shallow grave - her body identically arranged. The hunt for the killer is on. The police call in criminal psychologist Kate Pearson to get inside the mind of the murderer before he strikes again. But the more Kate discovers about the killings, the more it all feels terrifyingly familiar.