When the body of a girl turns up in an affluent East Lothian town, the main suspect is a teen with a history of run-ins with the police. When it’s revealed that both the victim’s family and the suspect’s family belong to an offshoot group of the Catholic Church, DC Cullen realises he needs to unravel the secrets of their secret community if he hopes to catch the killer. 

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 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.

DI Jack Knox is called in to investigate a high-profile case. A local distiller’s daughter has gone missing, and when he receives a ransom note, his fears that it is a kidnapping are confirmed. Knox decides to take a serious risk to capture the abductors, but the stakes could not be higher. The father is wealthy and well-connected. If Knox’s gamble goes wrong, he’ll have hell to pay. Meanwhile in the prequel story, 'Labyrinth', the body of an attractive young woman is found in woodland on Edinburgh’s iconic Calton Hill.

When the bloody remains of a missing gamekeeper’s dog are discovered on the moors, it soon becomes clear to DCI Harry Grimm and his team that this was no wild animal attack. Thrust into the violent, money-driven world of illegal dog fighting, and with the worst humanity has to offer seemingly always one step ahead, Harry’s need for justice, and his own fragile self-control, will be tested to the limit. Some people will do anything for money. And one detective will do anything to stop them.

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. 

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.

Haunted by his inability to track down and save his missing wife, DCI Robert Kett leaves the Metropolitan Police behind and moves to Norwich with his three young children, hoping to heal their broken family. But his newfound peace doesn’t last. Two newspaper delivery girls have gone missing in the city, and the clues point to a serial kidnapper. Kett is dragged into the centre of one of the darkest cases of his career - a case that pits him head-to-head against a horrifying evil.

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.

Meet Zoe Finch, West Midlands Police's newest Detective Inspector. She's outspoken, ambitious, and damaged. And she's working a case that could make her career, or cost her everything...Fresh from the success of the Canary investigation into depravity and corruption at the highest levels, she's attracted attention. Not least from Assistant Chief Constable Bryn Jackson. But when Jackson is brutally murdered on the night of his retirement party, Zoe is dragged into a case that's deeply personal.

The body of the queen of daytime TV, Morven Murray, is discovered by her sister, Anna, on the morning of her wedding day. Does Anna know more about the murder than she's letting on? Police informant Kevin Ramsay's murder looks like a gangland-style execution. But what could he have stumbled into that was dangerous enough to get him violently killed? Ex-Met DI Lukas Mahler has only a couple of weeks to solve both cases. But caught in a deadly game of cat and mouse, is Mahler hunting one killer or two?

Two marked men, three missing women and an approaching storm, powerful enough to change the Norfolk landscape forever. As a category four storm looms large over Norfolk’s wide open horizon, DI John Tanner is given the task of solving a high-profile murder. But when another body is found just as three women are reported missing, he faces a race against time to uncover the truth before the storm moves in to destroy everything in its path, including the evidence Tanner so desperately needs.

A family is gunned down in the snow, but one of the children survives. Three years on, that child takes revenge, and the Snow Killer is born. But then, nothing - no further crimes are committed, and the case goes cold. 50 years later, has the urge to kill been reawakened? As murder follows murder, the detective team tasked with solving the crimes struggle with the lack of leads. It’s a race against time and the weather - each time it snows, another person dies.

It's 1968, and the fishermen of Kinloch are preparing to celebrate the old New Year on the 12th of January. The annual pilgrimage to the Auld Stones is a tradition that goes back beyond memory, and young Hamish, first mate on the Girl Maggie, is chuffed that he's been invited to this exclusive gathering - usually reserved for the most senior members of Kinloch's fishing community.