DC Scott Cullen finds himself investigating two decades-old cases when a mangled body is found in a barrel of aged Dunpender Distillery whisky. Two men disappeared around the time the barrel was filled, nearly 20 years ago. As Cullen investigates, he finds himself steeped in twisted tales of family loyalties, lies and professional rivalries. Before he can find the killer, he needs to know whose body is in the barrel...

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?

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 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.

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 bonds of brotherhood are strained, who do you turn to? The celebration of the Viking Festival of Scira ensures that thousands descend annually on the small coastal town of Sheringham, but when one man dies amidst the grand finale, it falls to DI Tom Janssen and his team to identify who the victim was and how he met such a grisly end. The victim was a local man, successful, hard working, and well respected. A motive proves to be elusive. As the case progresses it becomes evident that not all is at it seems.

St Andrews, Scotland. When an elderly woman's naked body is found in her home, crucified to the floor, DCI Andy Gilchrist and his associate, DS Jessie Janes, find themselves in a hunt for a brutal serial killer. As the body count rises, suspicion falls on Tap 'Dancer' McCrear, a career criminal recently released from prison after serving 15 years for a murder he swore he never committed. As Gilchrist begins to uncover the terrifying truth behind each of the killings, his worst fears are realised when he learns that McCrear is killing everyone involved in his murder trial....

DCI Michael Lambert thought he’d closed his last case.... Yet when he’s passed a file detailing a particularly gruesome murder, Michael knows that this is no ordinary killer at work. The removal of the victim’s eyes and the Latin inscription carved into the chest is the chilling calling card of the ‘soul jacker’: a cold-blooded murderer who struck close to Michael once before, 25 years ago. Now the long-buried case is being reopened, and Michael is determined to use his inside knowledge to finally bring the killer to justice. 

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.

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.

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.

Criminologist Martin Knight lives a gilded life and is a thorn in the side of the police. But then his wife, Liz, goes missing. There is no good explanation and no sign of Martin.... To make things worse, Liz is the ex-girlfriend of DCI Craig Gillard who is drawn into the investigation. Is it just a missing person or something worse? And what relevance do the events around the shocking Girl F case, so taken up by Knight, have to do with the present? The truth is darker than you could ever have imagined.

First a shooting, then a grisly discovery on the common.... Police partners, D.I. Calladine and D.S. Ruth Bayliss race against time to track down a killer before the whole area erupts in violence. Their boss thinks it's all down to drug lord Ray Fallon, but Calladine's instincts say something far nastier is happening on the Hobfield housing estate. Can this duo track down the murderer before anyone else dies and before the press publicise the gruesome crimes?