The summer cottages are closed, and peace is settling over the coast of Vestfold, but the autumn fog conceals evil deeds. Ove Bakkerud’s cottage is ransacked by burglars, and next door he discovers the body of a man who has been beaten to death. Police Inspector William Wisting is uneasy; the desperation he sees in this latest murder is troubling. Meanwhile dead birds are dropping from the sky.

Together with her one-year-old daughter, Maja, single mother Sofie Lund moves into the house she inherited from her grandfather. Sofie has such painful memories that she has had every trace of the old man removed - every trace but a locked safe that has been bolted to the basement floor. Inside the safe Sofie finds something shocking that will also become crucial evidence in a case that has plagued Inspector William Wisting for a long time. To follow this lead, though, he must cut across important loyalties and undermine confidence in the police force.

Seventeen years ago William Wisting led the investigation into one of Norway's most notorious criminal cases, the murder of young Cecilia Linde. When it is discovered that evidence was falsified, he is suspended from duty. It looks like a man has been wrongly convicted, and suddenly the media are baying for blood. Wisting, who has spent his life hunting criminals, is now the hunted.

After four years behind bars, notorious serial killer Thomas Kerr is ready to talk. And Chief Inspector William Wisting has been waiting to listen. Kerr has finally agreed to lead the police to his final victim's grave. But the expedition goes horribly wrong after his escape deep into the Norwegian forest. Wisting must launch a frantic search to find this cold-blooded killer before he strikes again. But the body of another woman, killed weeks before, has been found. Murdered in the same way as Kerr's victims. 

Twenty-four years ago Katharina Haugen went missing. All she left behind was her husband, Martin, and a mysterious string of numbers scribbled on a piece of paper. Every year on October 9th Chief Inspector William Wisting takes out the files to the case he was never able to solve. Stares at the code he was never able to crack. And visits the husband he was never able to help. But now Martin Haugen is missing too. 

Stavern, 1983. After a brutal robbery, a young policeman named William Wisting is edged off the investigation by more experienced officers, but soon he is on another case that has not even been recognised as murder. Forgotten in a dilapidated barn stands a bullet-riddled old car, and it looks as if the driver did not get out alive. This case will shape William Wisting as a policeman and give him insight that he will carry with him for the rest of his career.

When DI Rowan Jackman and DS Evans are told that the IT boss has disappeared, they soon suspect foul play. Orla Cracken, known as Orac, is no ordinary techie; she was once a field agent traveling abroad undercover, working for the government. Meanwhile DC Robbie Melton discovers that two people, both urban explorers, have mysteriously disappeared whilst out exploring abandoned buildings. One went missing at a disused airfield, but was it a military base, or was it civilian?

In 1999, 17-year-old Tone Vaterland was killed on her way home from work. Desperate for a conviction the police deemed the investigation an open-and-shut case and sent her spurned boyfriend, Danny Momrak, down for murder. But 20 years later William Wisting receives a puzzling letter. It suggests the wrong man was convicted for Tone's death and that the real murderer is still out there and could kill again.

The domestic bliss of Detective Inspector Rowan Jackman, of Fenland Constabulary, doesn’t last long. His old nemesis, serial killer Alistair Ashcroft, is back in town and ready to tidy up unfinished business. Ashcroft sends a sinister text to DS Marie Evans. His opening move in what will prove to be a lethal game of cat-and-mouse. Yet for all his taunts, where is he? In a county crawling with police on the look-out for him, Ashcroft is nowhere to be found. Everyone Jackman cares about is in danger. Alongside the hunt for Ashcroft, however, normal police work must continue.

A crime wave has hit town. The target is a highly sought-after brand of streetwear called Hybird X, clothing that costs a fortune and resells for unbelievable prices. Houses are burgled, kids mugged on the streets...and finally a young man dies, all for the sake of his shoes. Then another boy’s body is found in a pile of rubbish. Meanwhile illegal steroids are flooding the streets. And there are dark movements on the marshes.