Nine out of ten murders are committed by someone the victim knows. So when Steph Ryder is found dead, DS Allie Shenton begins her investigation close to home, starting with Steph’s family and friends. Soon the lies, backtracking and secrets multiply as each of the suspects tries to cover up their actions on that fateful night. Before long, Allie homes in on Steph’s ambitious and powerful husband, Terry. Convinced he’s hiding something, she interviews him again and again, each time seeing through his smooth charms.

When a 15-year-old girl fails to make it home after school, DI Heather Filson believes she’s dealing with just another teenage runaway. The girl’s grandfather, a notorious Glasgow gangster, disagrees. Convinced one of his underworld enemies has grabbed her, he’s prepared to bathe the city in blood in order to bring his princess home.

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 DI Allie Shenton is called out to a murder suicide, it quickly becomes clear that it's a double slaying, and there is a killer on the loose. The bodies are found in a property owned by local entrepreneur/drug dealer Kenny Webb. Several young women are staying there, they are refusing to talk and one of them is missing. While she waits on forensic evidence, Allie decides to do what she does best. She takes to the community to see who will talk. Right now, she's the only one who can get answers. But then a third murder rattles everyone.

After a scandal forces DI Kelly Porter out of the Met, she returns home to the Lake District. Crimes in the Cumbrian constabulary tend to be minor, but Kelly begins work on a cold case that shocked the local community - the abduction and brutal murder of a 10-year-old girl.