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?

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.

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.

An eight-year-old girl, Chelsea Compton, is missing in Pine Valley, California, and for Detective Katie Scott it’s a cruel reminder of the friend who disappeared from summer camp 20 years ago. Unable to shake the memories, Katie vows she won’t rest until she discovers what happened to Chelsea. But as Katie starts to investigate, the case reveals itself to be much bigger and more shocking than she feared. Hidden deep in the forest she unearths a makeshift cemetery: a row of graves, each with a brightly colored teddy bear.

When 16-year-old Erin Ellis is attacked, she dies in the arms of her best friend, Molly, just metres from her home. Molly is the surviving girl but says she easily could have been the victim. It was a random mugging gone wrong. With inconclusive evidence, DS Grace Allendale must dig deep within the tight-knit Stoke community for leads. And she soon finds that someone had a motive to kill Erin. As the investigation unfolds, Grace is reminded of a horrifying case she worked on earlier in her career.

When the body of a woman is found hanging from a tree in her front garden, rookie Detective Morgan Brookes is first on the scene. But Olivia Potter is past saving. And when her husband and daughters cannot be traced, Morgan knows there is more to this tragedy. And then she finds them. Lying huddled together in the dark basement, each of their faces covered with a small cotton cloth, their bodies cold to the touch. But as Morgan kneels beside the family, she realizes that one of the girls is still breathing.

The body of a blonde young man found in the canal is discovered to be that of a journalist who had been claiming he was onto the story of a lifetime. The area where he was murdered turns out to be subject to a land dispute. A young woman is adamant she remembers a childhood twin brother, but her father swears she’s an only child. And now a second young blonde is missing. Rachel King and her East Manchester CID team must determine what links this all together - or are they being led to draw connections which aren’t there? And if so, who is pulling their strings? 

Thirlmere hides a deadly secret... Drought hits the Lake District, uncovering a skeleton at the bottom of Thirlmere reservoir. The case quickly becomes personal for DI Kelly Porter when she discovers it's the remains of an old classmate, missing for over twenty years. Then a day later, another body is found in a caravan park, its head broken and bloody. Kelly suspects these two crimes are linked. But if she's right, that means there's a ruthless killer somewhere in her community – someone who will do anything to keep the truth buried.

When two young girls disappear from their primary school, the village of Heighington is put on high alert—and not for the first time. Called in to investigate, Detective Karen Hart is sure that parallels with a previous disappearance are anything but coincidental. DS Hart is still reeling from a case she tried and failed to solve eighteen months ago, when a young woman vanished without a trace. She’s no nearer to the truth of what happened to Amy Fisher, but with two children missing now, too, the stakes have never been higher.