As Acting DC Scott Cullen works with DC Craig Hunter to track down a witness who didn’t show during a court case, they stumble upon another crime–two homeless women, dying of a suspected heroin overdose. As they investigate, they uncover a far-reaching criminal empire, dealing death and misery to Edinburgh’s underclass. And come across another investigative team who may not be exactly on the same side. As the case brings two cops together and drives a wedge between another pair, can Cullen and Hunter rescue the witness and bring her assailant to justice?

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 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.

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.

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.

When two young girls disappear from their primary school, the village of Heighington is put on high alert—and not for the first time. Called in to investigate, Detective Karen Hart is sure that parallels with a previous disappearance are anything but coincidental. DS Hart is still reeling from a case she tried and failed to solve eighteen months ago, when a young woman vanished without a trace. She’s no nearer to the truth of what happened to Amy Fisher, but with two children missing now, too, the stakes have never been higher.

When decomposed human remains are discovered in a suitcase behind a locked door in the home of an elderly man, Detective Karen Hart thinks the facts speak for themselves. That is, until she finds the warning: It’s time to pay for your crime. The body belongs to a former teacher, Oliver Fox, who vanished from the village thirty years earlier. Hart’s instincts tell her there is something untoward about this rural Lincolnshire community—especially when she uncovers evidence suggesting that, although Fox was a victim, he certainly wasn’t innocent.

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.

DCI Lesley Clarke has promised her new wife that their Scottish honeymoon won’t be spoiled by murder investigations. But when she’s out for a walk on the first day and finds a body, she can’t help but be dragged into a case.

Hogmanay. New Year's Eve. A dead teenager, another missing. One hell of a case. Meet DS Vicky Dodds. Settling down for a nice Hogmanay 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 the driver’s missing too — has the killer taken her? Or is she the killer?

When two young girls disappear from their primary school, the village of Heighington is put on high alert—and not for the first time. Called in to investigate, Detective Karen Hart is sure that parallels with a previous disappearance are anything but coincidental. DS Hart is still reeling from a case she tried and failed to solve eighteen months ago, when a young woman vanished without a trace. She’s no nearer to the truth of what happened to Amy Fisher, but with two children missing now, too, the stakes have never been higher.

When decomposed human remains are discovered in a suitcase behind a locked door in the home of an elderly man, Detective Karen Hart thinks the facts speak for themselves. That is, until she finds the warning: It’s time to pay for your crime. The body belongs to a former teacher, Oliver Fox, who vanished from the village thirty years earlier. Hart’s instincts tell her there is something untoward about this rural Lincolnshire community—especially when she uncovers evidence suggesting that, although Fox was a victim, he certainly wasn’t innocent.

Crime analyst and newly disgraced deputy police chief Vera Boyett doesn’t visit home often, and she certainly doesn’t venture back into the cave on her family land. But when the remains of her long-missing stepmother are discovered, Vera will have to face a past that threatens all she is. She and her sister Eve had a fairy-tale childhood: good until it was tragic, with a stepmother they never found a bond with. At least they had each other, a baby half-sister, and a mutual devotion that would have them do the unthinkable.

When a magical plague is released in a Depression-era New York soup kitchen, private detective Alex Lockerby finds himself in a desperate hunt to catch a madman before he can strike again. His investigations lead Alex to a famous thief, a daring heist, and the search for a mythic book of ancient magic, but none of that brings him any closer to finding the man responsible for the massacre. With the police and New York’s Council of Sorcerers desperate to find the culprit, Alex becomes a suspect himself, thanks to his ties to the priest who ran the soup kitchen.

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.