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?

D.I. Duncan McAdam is dispatched home to the Misty Isle. A body has been found buried in a remote location on the Waternish peninsula. Well-preserved in the peat, Isla Matheson—missing for the better part of two decades—is revealed to a shocked island community. A teenage runaway is dead...and no one is talking.

The story opens with the apparently accidental drowning of a sixth form student in the Norfolk countryside. As a matter of routine, or so it seems, the case passes across the desk of Detective Sergeant Smith, recently returned to work after an internal investigation into another case that has led to tensions between officers at Kings Lake police headquarters. As an ex-DCI, Smith could have retired by now, and it is clear that some of his superiors wish that he would do so.

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.

Detective Chief Inspector Harry Grimm is forced to take leave from Bristol’s Major Investigations Team when his boss, tired of Harry chasing the ghost of his murderous father, sends him north on secondment. Used to city life and high stress, Harry fears his life will now be spent handing out speeding tickets, finding lost sheep, and directing tourists. But when a local teenager runs away, Harry finds himself pulled into an investigation much worse than anyone could have ever expected.

Carl Mørck used to be one of Denmark’s best homicide detectives. Then a hail of bullets destroyed the lives of two fellow cops, and Carl - who didn’t draw his weapon - blames himself. So a promotion is the last thing he expects. But Department Q is a department of one, and Carl’s got only a stack of cold cases for company. His colleagues snicker, but Carl may have the last laugh, because one file keeps nagging at him: A liberal politician vanished five years earlier and is presumed dead. But she isn’t dead...yet.

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.

Nobel Prize-winning scientist Sarah Collier has taken a step back from work to spend more time with her family. Movie nights with her husband Daniel and their daughter Maddie are a welcome respite from the scrutiny of the world’s press. As much as it hurts, it’s good to be able to see her father more too. He’s suffering from Alzheimer’s and needs special care. Sarah has started to show tell-tale signs of the disease too. She’s been experiencing blackouts and memory loss. It’s early days but she must face the possibility that she won’t be there to see her daughter grow up.

Attorney Nate Shepherd left a big firm to go out on his own. He sees nothing but opportunity when an out-of-town lawyer wants to hire him as local counsel on a high-profile murder case. Though his family worries that the case hits too close to home, Nate joins the defense team. When circumstances force him to take on a bigger role, Nate ignores his family’s fears and throws himself into his client’s defense.

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.

DS George Cross can be rude, difficult and awkward with people. But his unfailing logic and dogged pursuit of the truth means his conviction rate is the best on the force. So when his police colleagues dismiss the death of a man as a squabble among Bristol's homeless community, Detective Sergeant George Cross is not convinced.

The first time somebody tried to kill him was an accident. The second time was deliberate. Now Paul Mulchrone finds himself on the run with nobody to turn to except a nurse who has read one-too-many crime novels and a renegade copper with a penchant for violence. Together they must solve one of the most notorious crimes in Irish history. Or else they’ll be history.

Fourteen years ago, prosecutor Jessica Yardley's husband went to prison for a series of brutal murders. She's finally created a life with her daughter and is a well-respected attorney. She's moving on. But when a new rash of homicides has her ex-husband, Eddie, written all over them - the nightmares of her past come back to life.

Detective Sergeant Chris Waters got the call at 05.29 that July morning. This is it, said DCI Reeve, you'll be first there, it's all yours, you're the crime scene manager. Suddenly, after months of waiting and wondering, Waters finds himself in at the deep end, and alone at the scene of a puzzling murder. As the investigation proceeds, the detectives at Kings Lake Central find themselves visiting familiar places and talking to some familiar faces, while old enmities reappear in the incident room. Before this is over, Chris Waters will need to make a career-changing decision.

Lt. Joe Gunther of the Brattleboro, Vermont, police force has a serious problem: in a community where a decade could pass without a single murder, the body count is suddenly mounting. Innocent citizens are being killed - and others set up - seemingly orchestrated by a mysterious ski-masked man. Signs suggest that a three-year-old murder trial might lie at the heart of things, but it's a case that many in the department would prefer remained closed. A man of quiet integrity, Lt. Gunther knows that he must pursue the case to its conclusion, wherever it leads.