No one thinks very much at all about carwash employee Davey Burnet, until one day he takes the wrong customer's motor for a ride. One kidnapping later, he and the carwash are officially part of Glasgow's criminal underworld, working for a psychopath who enjoys playing games like "Keep Yer Kneecaps" with any poor bastard who crosses him. Can Davey escape from the gang's clutches with his kneecaps and life intact? Perhaps this polis Ally McCoist who keeps nosing around the carwash could help. That's if she doesn't get herself killed first.

Nash Rankin is a disgraced cop trying to escape his past—his career was destroyed when he chose to take justice into his own hands. Now he's living a quiet life in a small town caring for the local wildlife and trying to stay away from trouble. Jesse Redpath has a new job in a new town, Satellite—the stormy weather that greets her first few days on the new beat seems like a sign for what's to come. A local has died in what seems like an accident, but Jessie isn't so sure that ‘accident' wasn't planned. All evidence seems to point to Nash, but Jesse's not sure about that either.

Copenhagen author Hannah is the darling of the literary community and her novels have achieved massive critical acclaim. But nobody actually reads them, and frustrated by writer's block, Hannah has the feeling that she's doing something wrong. When she expresses her contempt for genre fiction, Hanna is publicly challenged to write a crime novel in 30 days. Scared that she will lose face, she accepts, and her editor sends her to Húsafjöður; a quiet, tight-knit village in Iceland, filled with colourful local characters - for inspiration.

Umiko Wada has had enough excitement in life. With an overbearing mother and her husband recently murdered, she just wants to keep her head down. As a secretary to a private detective, her life is pleasantly filled with coffee runs and paperwork. That is, until her boss takes on a new case. A case that is surrounded by shadows. A case that means Wada will have to leave Tokyo and travel to London.

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.