When an archaeological investigation of an old prisoner of war camp turns up several bodies in unmarked graves, it should be an open and shut case for DCI John Blizzard. But on a foggy November morning, his instinct that something is not quite right is confirmed when forensics show that while most of the victims died during a flu epidemic after the Second World War, one of the deaths was far more recent. Who is this man? Why was he killed? As Blizzard and his team investigate, they begin to uncover a cruel crime and a promise of revenge that goes back generations.

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.

The annual West Uist literary festival - The Gathering - always attracts the best in the business. But with the tiny island population suddenly doubling, the local police force is stretched to breaking point. And this year they have to deal with more than just drunken fights and rowdy behavior. Ranald Buchanan, the local poet, is found dead, with his head brutally caved in, and Inspector Torquil McKinnon is brought in to investigate.

In a small Scottish university town, what links a spate of murders, a targeted bomb explosion and a lecturer's disappearance? Who is pulling the strings? Having returned to Castletown intending to win back his estranged wife, DCI Jim Carruthers finds himself entrenched in the investigation. DS Andrea Fetcher assists him in the hunt for the perpetrators. They need to work fast. But can they truly rely on Jim's old adversary?

Detective Inspector Munro is a burly Scottish policeman who doesn’t suffer fools gladly. Detective Sergeant West is an intelligent young woman, new to the force, with a lot to prove. When a missing person case lands on their desks, Munro is skeptical there is much to it. But their investigation soon comes to some strange findings, and before long a body is found. With a serial killer on their hands, they must act fast to trace a woman placed at the scene of the crime. Yet discovering her true identity, let alone finding her, proves difficult. And as the plot thickens they realise the crime is far graver than either of them could have imagined.