After a fierce storm hits Scotland, a mysterious cargo ship is discovered in the Orkney Isles. Boarding the vessel uncovers three bodies, recently deceased and in violent circumstances. Forensic scientist Dr Rhona MacLeod’s study of the crime scene suggests that a sinister game was being played on board, but who were the hunters? And who the hunted? Meanwhile in Glasgow DS Michael McNab is called to a horrific incident where a young woman has been set on fire. Or did she spark the flames herself? 

In the present, an old fisherman is found dead by the shoreline and a stranger with a mission moves into a shabby Kinloch flat/ Meanwhile, D.C.I. Jim Daley is trying to help Brian Scott stay sober, and the good people of Kinloch are still mourning the death of one of their own. As past and present collide, Daley finds himself face to face with old friends and foes. Memories can only last as long as those who keep them, and ghosts will not be silenced.

The River Thames always gives up its dead.... There’s a killer picking off victims from the wild swimming spots on the upper reaches of the Thames. The case takes Detective Inspector Leo George into the path of Jess Bridges, a private investigator who lives life close to the edge. Their enquiries lead them to author, Jago Jackson, whose book on secret wild swimming spots has turned him into a social media celebrity. Is Jago’s book the blueprint that the murderer is following? 

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.

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?

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.

When the body of a man is found dead in his remote, isolated home, DI Tom Janssen and his team struggle to understand what motive there could be to murder such an inoffensive, seemingly placid local character. The man lived alone and was well known in the community, but kept his distance from others, leading a haphazard way of life almost entirely off the grid. What secrets did he hide in his private life that might be worth killing for? As the team are about to understand, even the most nondescript of people can exist in a world darker than most of us will ever see....

Five figures gather 'round a shallow grave. They had all taken turns to dig. An adult-sized hole would have taken longer. An innocent life had been taken, but the pact had been made. Their secrets would be buried, bound in blood. Years later a headmistress is found brutally strangled, the first in a spate of gruesome murders that shock the Black Country.

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.

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. 

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.

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 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. 

Glasgow 1975. An arson attack on a Glasgow warehouse causes the deaths of a young mother and child. Police suspect it’s the latest act in a brutal gang warfare that’s tearing the city apart - one that DI Duncan McCormack has been tasked with stopping. Five years ago he was walking on water as the cop who tracked down a notorious serial killer. But he made powerful enemies, and when a mutilated body is found in a Tradeston slum, McCormack is assigned a case that no one wants.