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?

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.

A man is shot dead, and his body is dumped on the moors. His arm is stamped with the Chinese symbol for 'sorry'. There have been five unsolved murders with the same hallmark. The police can’t find any motive or connection between the victims. Bella Richards was close to the murdered man. She lives with her five-year-old son and has begun a new life in the local area. But although clearly grief-stricken, she is not telling the police everything she knows.

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?

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.

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.

When Matt Ballard was starting out his career, three boys were murdered in the same area, the remote and bleak Gibbet Fen. When the main suspect was killed in a hit-and-run, the killings stopped. But Matt was not satisfied that the real murderer had been caught. Over 25 years later, Matt gets a photo in an unmarked envelope. It's of the Gibbet Fen crime scene. And the picture was taken before the murder took place. More photos arrive, relating to the historic murders, as well as intimate pictures of Matt's very secret private life.

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.

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.

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.

Max and Alissa have a fairy tale life - newlywed, madly in love and enviously rich. Then Max is brutally stabbed to death at their home and Alissa, miraculously, escapes with her life. But why was she spared? The hunt for the killer begins, uncovering a number of leads - was Max's incredible wealth the motive? Had his shady business practices finally caught up with him? Or was it a stalker with a dangerous obsession?

A teacher goes missing under suspicious circumstances and a man is murdered at a local reservoir. For Detective Robyn Carter, there's no obvious link between the cases. But as she starts to delve into them, her investigations lead her to Abigail, perfect wife and mother to beautiful little Izzy. What was Abigail's connection to the victims? And why is she receiving threatening messages from an anonymous number?

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.

After a scandal forces DI Kelly Porter out of the Met, she returns home to the Lake District. Crimes in the Cumbrian constabulary tend to be minor, but Kelly begins work on a cold case that shocked the local community - the abduction and brutal murder of a 10-year-old girl.

Cat Kinsella overcame a troubled childhood to become a detective constable. When she’s called to the scene of a murder, not far from the pub her estranged father still runs, she discovers that Alice Lapaine is dead. Cat and her team suspect Alice’s husband, until she receives a phone call that links the victim to Maryanne Doyle, a teenage girl who went missing in Ireland 18 years earlier. The call raises uneasy memories for Cat. Though she was only a child, Cat knew that her father wasn’t telling the truth when he denied knowing anything about Maryanne or her disappearance.

DCI Kenny Murrain sees, hears and feels things that others do not. It’s a gift but also a curse. When he wakes to the phantom sound of screaming, he knows a murder has been committed, but not where or why. Then a woman’s body is found in a Stockport hotel room. It’s a murder that seems both frenzied and carefully planned, the scene expertly cleansed of any evidence.

A German citizen is murdered in Belfast Botanic Gardens. Investigating, DCI Gawn Girvin concludes it is a revenge killing. But she draws a blank from CCTV and forensics. The only clue is the top of a perfume bottle found at the scene. As frustration sets in, Girvin develops a hunch that by tracing the victim’s criminal connections, they’ve followed the wrong scent. A young female university student seen nearby may hold the only key to unlocking the case. And like a bloodhound, Girvin follows the new leads. But being ex-army, her cold demeanour is a magnet for risk takers.

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.

Helen Carter has just landed her first case as a detective: a murder in an abandoned cinema. A mysterious clock-like symbol is drawn on the wall...in blood. Stranger still is what the killer left behind: the business card of an ex-cop. Since being promoted from WPC, Helen is having trouble making her mark in the male-dominated Edinburgh CID, working under Inspector Jack Craven. He’s not happy about having a woman on his team. Witnesses won’t talk to her; her colleagues don’t take her seriously.

A peaceful Sunday morning in Rutland is shattered when a dead body is discovered on the rocks at Normanton Church. The victim has been laid out in a crucifixion pose, facing the altar. DI Caroline Hills is certain there’s a religious connection - one which threatens the tranquillity of life in the area. The killer has gone to extraordinary lengths to make the symbolism clear. And the deaths will continue until Caroline and DS Dexter Antoine uncover the truth behind the dark secret - and what lies beneath.

Callum is lured to an isolated boathouse by an attractive older woman. When she gets him alone, she knocks him out with a single blow. Surrounded by hills and lakes, Still Waters is home to a close-knit community of wealthy retirees. It's an unlikely setting for violence. The police don't take Callum's disappearance seriously: he's 24-years-old, after all. But Callum's mother, a Still Waters resident, knows that something is very wrong. Then a body is discovered floating in the lake. Head bashed in. But it's not Callum. And someone tweets: Come out to play one last time, Alice.

A career man, Edwin Murphy has always put more effort into his work than his family. Everything changes for Edwin when his wife files for divorce. On the brink of losing his home, his job and his little girl, Edwin orchestrates an intricate plan to eliminate his wife and regain his former lifestyle. The police are baffled when bodies begin to appear all over London with no apparent connection between them. Inspector David Morton must think outside the box as he investigates the deadly web of deceit behind the murders.

The last time DCI Jamie Carver involved a would-be victim in his hunt for a serial killer, it ended badly. Now they want him to do it again, only this time the 'victim' is a Dominatrix. As if he hasn't enough on his plate - a brutal killer poised to strike again; shadows of the past that still haunt his dreams; an investigation under mounting pressure to succeed; a beautiful woman whose bizzare lifestyle may be the key to finding the killer. And that's not counting the young girl whose life he's trying to save from ruin or the ambitious colleague scheming to bring him down.

DI Alan Williams is called to the recovery of two bodies from the sea at Trearddur Bay, during a storm. The lifeboat crew suspect they're fishermen, washed away by a wave, but they’re wrong. Alan and his detective sergeant, Kim Davies, realise the men were beaten and tied together before they entered the water. Two miles along the headland at Porth Dafarch, a third victim is found but there are no obvious links. As the number of victims increases, a major investigation team battles to unravel a deadly puzzle.

Detective Jack Mackinnon has his work cut out trying to track down missing student, Anya Blonski. As Mackinnon follows the trail of obsession and murder to the shady owners of the Star Academy, who thrive on society's obsession with reality TV shows, he realises the fame they offer comes at a price. When a second girl goes missing, Mackinnon is forced to consider a serial killer may be stalking the city.

Out walking near the rain-swelled river running past her small Welsh town, she comes across the body of Amber Morgan. Fabia’s police training tells her instantly that the death is the result of foul play. But no longer in the force, all she can do is call it in. Yet she has mixed feelings when she discovers it is her former colleague, Matt Lambert, newly promoted to chief inspector, who will head the investigation into the girl’s death.

Detective Sara Hirst has moved from London to Norfolk Police's Serious Crimes Unit. She wants to know the truth about her father, who has connections to the area. Her mother won't tell her the real story. A new job. A new place. Same old problems. Sara's first call-out is to a decomposing body discovered in a ditch on a local farm. How does the murder relate to a recent spate of thefts? Who wanted the victim dead? Then the case grows very personal.

Two skeletons are discovered in Lamentation Tarn, a mountain lake. Talented detective Mike Nash and his team have little evidence with which to work, until a surprising discovery prompts them to contact law enforcement agencies in Eastern Europe.

Mike Lynch is going through hard times. But things get much worse when he witnesses a murder in a lay-by. Snatching the victim’s car in order to get away, Mike soon makes a shocking discovery - the victim’s young daughter and her nanny are hiding in the rear footwell. This is when the real trouble begins. Mike wants to go to the police, but the nanny, Melissa, wants to delay until the daughter, Charlie, is somewhere safe. Who exactly was the man he saw murdered? And who is the man he saw pulling the trigger?

A young woman's body is discovered on a deserted footpath. It seems like a simple crime for DCI Sophie Allen and her team to solve. But not when the victim's mother is found strangled the next morning. The case grows more complex as DCI Sophie Allen discovers that the victims had secret histories, involving violence and intimidation. There's an obvious suspect, but Detective Allen isn't convinced. Could someone else be lurking in the shadows, someone savagely violent, looking for warped revenge?