Detective Helen Carter is called to a crime scene: a barmaid, Tina French, has been strangled. Murdered on her way home from work to look after her sick son. Meanwhile, Moira McKenzie leaves her lover's townhouse and gets home to find her abusive husband, Reggie, washing blood from his hands. Later, in their garden shed, she finds incriminating photos, keepsakes and newspaper cuttings about old murder cases. When the police are called to their home, they find a pool of blood and a shattered glass table, but no sign of Moira.

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.

Settling down for a nice Christmas Eve with her daughter and her best friend, a phone call pulls DS Vicky Dodds into work and to a deadly new case. A teenage girl, her body cooling in a cold, dark supermarket car park. Found next to her friend’s car, but she’s missing too - has the killer taken her? Or is she the killer? As the clock ticks down, Vicky digs deep as she investigates Dundee’s grim underbelly, and shows real blood and guts as she cuts through the lies of teenagers and a colleague’s furious rage in her pursuit of the truth.

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?

Ailsa Connolly was a brilliant psychologist and a respected criminologist. She was also a serial killer. Six years ago, DCI Sean Bracken caught her just before he was about to become her seventh victim. Every year on the anniversary of her incarceration, she taunts him with a phone call, giving him one message: "When I get out, I'll kill you." Now, Bracken has transferred back to Edinburgh and is thrown into the deep end on his first day back on duty. There's a killer who is emulating Ailsa, threatening to surpass her body count. 

A woman is found in a local cemetery, crushed to death under a gravestone. A production company is there, filming the remake of a classic sci-fi TV show on the grounds, making the investigation more difficult for DCI Harry McNeil. It's his first day in charge of the cold case unit in Edinburgh. After spending four years in Professional Standards, he has little choice but to take the promotion.

It was a hell of a long shot.... CIA assassin Fortune Redding is about to undertake her most difficult mission ever - in Sinful, Louisiana. With a leak at the CIA and a price placed on her head by one of the world's largest arms dealers, Fortune has to go off-grid, but she never expected to be this far out of her element.

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.

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.

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.

Meet DI Hillary Greene, a police woman fighting to save her career. Not only has she lost her husband, but his actions have put her under investigation for corruption. Then a bashed and broken body is found floating in the Oxford Canal. It looks like the victim fell off a boat, but Hillary is not so sure. Her investigation exposes a dark background to the death. Can Hillary clear her name and get to the bottom of a fiendish conspiracy on the water?

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.

Monica Noble is throwing a party to welcome the village’s new residents. Then as the drinks are flowing, a shotgun blast rings out. One of the guests is found dead. DCI Dury and Sergeant Jim Greer are soon on the scene and discover that the victim had many enemies. Almost all the guests harbor secrets and motives for murder. Even Monica’s daughter comes under suspicion. When another villager is strangled to death nearly a week later, the stakes are raised. Can Monica help the local detectives save her daughter and solve the murders before anyone else pays the ultimate price?

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.

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. 

It's DS Logan McRae's first day back on the job after a year off on the sick, and it couldn't get much worse. Three-year-old David Reid's body is discovered in a ditch: strangled, mutilated and a long time dead. And he's only the first. There's a serial killer stalking the Granite City, and the local media are baying for blood. Soon the dead are piling up in the morgue almost as fast as the snow on the streets, and Logan knows time is running out. More children are going missing. More are going to die.

Detective Sanne Jensen (not blonde, not tall, definitely not Scandinavian) and Dr. Meg Fielding (scruffy, scatterbrained, prone to swearing at patients) are lifelong best friends, sharing the same deprived background and occasionally the same bed. When a violent kidnapping stuns the Peak District village of Rowlee, both women become involved in the case.

Paddy Meehan is no stranger to murder - as a reporter she lives at crime scenes - but nothing has prepared her for this visit from the police. Her former boyfriend and fellow journalist Terry Patterson has been found hooded and shot through the head. Paddy knows she will be of little help - she had not seen Terry in more than six months. So she is bewildered to learn that in his will he has left her his house and several suitcases full of notes.

Alex Morrow is not new to the police force - or to crime - but there is nothing familiar about the call she has just received. On a still night in a quiet suburb of Glasgow, Scotland, three armed men have slipped into a house, demanding a man who is not, and has never been, inside the front door. In the confusion that ensues, one family member is shot and another kidnapped, the assailants demanding an impossible ransom. Is this the amateur crime gone horribly wrong that it seems, or something much more unexpected?

When a prostitute is found murdered in her bedsit, the Metropolitan police set to work finding the perpetrator of this brutal attack. DNA samples lead them straight to known-criminal George Marlow. The police think they've found their man, but things are not quite what they seem....

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.

It is 1969 and Glasgow is in the grip of the worst winter in decades, yet it is something else that has Glaswegians on edge: a serial killer whose name alone is enough to make them tremble with fear. The Quaker has killed another victim, snatching a young woman from a nightclub and dumping her body like trash in the back of a cold-water tenement. He leaves no clues, and the investigation has led police down one blind alley after another.

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.

Helen’s idyllic life - handsome architect husband, gorgeous Victorian house, and cherished baby on the way - begins to change the day she attends her first prenatal class. There, she meets Rachel, an unpredictable single mother-to-be who doesn’t seem very maternal: She smokes, drinks, and professes little interest in parenthood. Still, Helen is drawn to her. Maybe Rachel just needs a friend. And to be honest, Helen’s a bit lonely herself. At least Rachel is fun to be with. She makes Helen laugh, invites her confidences, and distracts her from her fears.

Detective John Rebus' city is being terrorized by a baffling series of murders…and he's tied to a maniac by an invisible knot of blood. As the ghoulish killings mount and the tabloid headlines scream, Rebus cannot stop the feverish shrieks from within his own mind. Because he isn't just one cop trying to catch a killer - he's the man who's got all the pieces to the puzzle…

Headstrong journalist Anna Rothman knows what suicide looks like - her own husband killed himself five years ago. When Elly Swift, an agitated passenger beside her on a train, leaves a locket in Anna's bag before jumping onto the tracks, Anna starts asking questions. But everything points to suicide and the police close the case. However, Anna believes that Elly's fears for Toby, her young nephew who was snatched from St. Stephen's church six months ago, fail to explain the true reason behind Elly's distress.

It's Maya and Jamie's anniversary, and she waits with excitement for him to return home for a celebratory dinner. There's a knock at the door. It's the police. Jamie has been found hanging in a local wood. His death is ruled a suicide, but Maya doesn't believe Jamie would take his own life. Something isn't right. Someone has broken into her house. Someone is watching her. And someone has gone to great lengths to cover up what Jamie was doing before he died.

You love your family. They make you feel safe. You trust them. Or do you...? When 15-year-old Billy Wilkinson goes missing in the middle of the night, his mother, Claire Wilkinson, blames herself. She's not the only one. There isn't a single member of Billy's family that doesn't feel guilty. But the Wilkinsons are so used to keeping secrets from one another that it isn't until six months later, after an appeal for information goes horribly wrong, that the truth begins to surface.

In 1964, Maggie wakes to find herself in a mental asylum, with no idea who she is or how she got there. Remnants of memories swirl in her mind - a familiar song, a storm, a moment of violence. Slowly, she begins to piece together the past and the events which brought her to this point.

Blood has always been thicker than water for two Northern Irish brothers caught in the Belfast foster system, but a debt of past violence will be paid not just by them but also by those they left behind. Ciaran Devine, who made Belfast headlines seven years ago as the "schoolboy killer", is about to walk free. At the age of 12, he confessed to the brutal murder of his foster father; his testimony mitigated the sentence of his older brother, Thomas, who was also found at the crime scene, covered in blood.