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?

The head of Scotland’s most powerful crime family is brutally murdered, his body dumped inside an ancient grave in a remote cemetery. DS Max Craigie and DC Janie Calder arrive at the scene, a small town where everyone has secrets to hide. They soon realise this murder is part of a blood feud between two Scottish families that stretches back to the 1800s. One thing’s for certain: it might be the latest killing, but it won’t be the last.

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.

An archaeological dig at the old South Leith parish kirkyard has turned up a mysterious body dating from around 700 years ago. The experts wonder if she wasn't murdered and dumped, but some suspect that this gruesome discovery is a sacrifice, placed there for a specific purpose. Then a second body is unearthed. This victim went missing only 30 years ago - but the similarities between her death and the ancient body's suggest something even more disturbing.

Edinburgh is gripped by the greatest terror it has ever known. A lone bomber is targeting victims across the city, and no one is safe. DCI Ava Turner and DI Luc Callanach face death every day - and not just the deaths of the people being taken hostage by the killer. When it becomes clear that with every tip-off they are walking into a trap designed to kill them, too, Ava and Luc know that finding the truth could mean paying the ultimate price.

When three young women are discovered strangled and mutilated in a Glasgow park, it is up to DCI Lorimer to find their killer. Frustrated by a lack of progress in the investigation, Lorimer is forced to enlist the services of Dr Solomon Brightman, psychologist and criminal profiler. Together they form an uneasy alliance. But when a homeless man is brought in for questioning, the investigation takes a bizarre turn.

Ryan Wilkins grew up on a trailer park, a member of what many people would call the criminal classes. As a young Detective Inspector, he's lost none of his disgust with privileged elites - or his objectionable manners. But he notices things; they stick to his eyes. His professional partner, DI Ray Wilkins, of affluent Nigerian London heritage, is an impeccably groomed, smooth-talking graduate of Balliol College, Oxford. You wouldn't think they would get on. They don't. But when a young woman is found strangled at Barnabas Hall, they're forced to. 

On a remote island, everyone is a suspect.... When private investigator Hanlon is hired to protect famous yoga instructor Camille Anderson on her Scottish island retreat, she thinks this may be her simplest job yet. But when an attack on Camille's life goes wrong, it soon becomes clear that there is a murderer on the island - and Hanlon will stop at nothing to track them down. With only a small group of guests the suspects are clear, but as the body count rises Hanlon must step up to find out who the killer is before it’s too late.... 

The Commonwealth Games have come to Manchester and the city is buzzing. Caught in the commercial feeding frenzy is Tom Benwell, an advertising executive. But the pressure is getting to Tom - too many deals to make and too many lies to tell. Meanwhile, his friend DI Jon Spicer is on the fast track, showing a love for the job that borders on obsession. Then, in the aftermath of the Games, a string of brutal murders shatters the city's newfound spirit.

A mutilated body is found dumped at Cowane's Hospital in the heart of historic Stirling. For DCI Malcolm Ford it's like nothing he's ever seen before, the savagery of the crime making him want to catch the murderer before he strikes again. For reporter Donna Blake it's a shot at the big time, a chance to get her career back on track and prove all the doubters wrong. But for close protection specialist Connor Fraser it's merely a grisly distraction from the day job. 

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.

When a teenage girl is found dead in the woods, her body posed like an angel, Stockholm holds its breath. The kill bears a chilling resemblance to those of the Angel Maker, a serial killer caught two decades ago.... One who just died in prison. Detective Inspector Jamie Johansson is taking some much-needed time away from the London Met when the call comes in. Her father, one of Stockholm's most notorious detectives, caught the Angel Maker when she was just a girl, and Jamie has long since closed the door to that part of her life. 

The brutal murder of 10-year-old Callum Bradley sent shockwaves across Scotland, but as the weeks have stretched on with no solid leads, the investigation has been scaled back. Sergeant Don Colyear, community police officer, is tasked with tying up a loose end: a 999 call which may have hinted at the boy's murder. However, the call was made three weeks before the crime took place. The caller turns out to be a resident at an Edinburgh care home, drifting in and out of lucidity due to dementia - enough to write off the potential lead as a dead end. 

When 12-year-old Paul disappears from school, Yorke’s only clue is a pool of animal blood. Fearing the worst, he turns toward the most obvious suspect: recently released local murderer Thomas Ray. But as the snow in Salisbury worsens, Ray’s mutilated body is discovered, and Yorke is left with no choice but to journey into the sinister heart of a demented family that has plagued the community for generations.

Ailsa Calder has inherited half a house. The other half belongs to a man who disappeared without a trace 27 years ago. Her father. Leaving London behind to settle her mother's estate, Ailsa returns to her childhood home in the foothills of the Scottish Highlands, accompanied by the half sister she's never taken the time to get to know.