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.

Disgraced Detective Dave Slater is stuck on gardening leave, down in the quiet Hampshire town of Tinton, with just one last chance to redeem himself. He must search for mousy young journalist Ruth Thornhill. Months ago, she vanished from her home, her London job, her life. But the Met don't want to know. Now Slater's boss slips him the file, asking him to investigate discreetly, with the help of an unlikely new assistant. Bedraggled fifty-something Detective Norman Norman.

Meet Detective Inspector Dan Hellier, a man who needs to redeem his career and catch a killer. Soon after DI Hellier returns home to Exeter under a cloud, the body of a talented young singer is found in the woods. When her death reveals links to the boss of a recording studio, a predatory gang and a school music teacher, Hellier knows he has his work cut out. Before more innocent people are put in danger, Hellier will need to untangle the web of lies and work out which of many suspects are guilty of murder.

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.

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.

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.

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.

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.

When the chief suspect in the notorious Peek-a-boo 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 Peek-a-boo fashion, Bone is persuaded to return to lead the new investigation. But as Bone and his team hunt a copycat killer, and with time running out before yet another cop is slain, Bone’s terrifying past returns to tear open old wounds and push him to very edge of the abyss.

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 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.

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.

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 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.

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.