Jack Kempson started out as an idealistic cop. Thirty years on, he remains relentless in tracking down villains, but has lost confidence in his moral barometer. He turns a blind eye to the dubious methods employed by some of his contemporaries — prepared to let dodgy means be justified by the noble end.

A forensic analyst and an investigation officer are on a chase to hunt down a gruesome serial killer and crack one of the most famous cold cases in the history of their departments.

A homicide detective joins forces with a prosecutor to avenged the murder of his half-brother. The aggressive detective and the by-the-book prosecutor must put aside their differences in order to find the killer.

A German intelligence officer investigates a prostitute's killing in Warsaw during World War II. He lands on three major Nazi generals as suspects, two of whom are also involved in a plot to kill Adolf Hitler.

George Taylor returns from WWII with amnesia. Back home in Los Angeles, while trying to track down his old identity, he stumbles onto a three year old murder case and a hunt for a missing $2 million.

Copenhagen, 2018. A frightening discovery is made in an old apartment. The subsequent investigation of Department Q leads them to an infamous institution for girls that was suddenly closed in the early sixties.

A rookie detective and a drug-addicted archivist investigating unsolved murders from the past. An AI-animated cocaine rat assists them in unraveling these bizarre cold cases within a modern LAPD precinct setting.

Two strangers strike up a conversation on a long journey. However, neither is who they appear to be, each carry secrets that threaten to ruin them — and in the background, one of the nation's largest police operations is closing in.

The unsolved rape, mutilation and murder of young G.I. Darlene Krashoc has haunted Joe Kenda in the years since he turned in his gun and badge. Until a crack team of cold case cops uses Kenda’s groundwork to set a trap for a monster hiding in plain sight.

Eiji Akutsu is a newspaper reporter. He is working on unsolved case that took place 30 years ago. The case involved a group of people extorting several companies for money. The group sent cassette tapes to the companies. Eiji Akutsu comes across a mysterious cassette tape. Meanwhile, Toshiya Sone lives in Kyoto and runs a tailor shop. He discovers a cassette tape among his late father's possessions. He plays the cassette tape and hears his voice from his childhood days.

Disgraced journalist Mikael Blomkvist investigates the disappearance of a weary patriarch's niece from 40 years ago. He is aided by the pierced, tattooed, punk computer hacker named Lisbeth Salander. As they work together in the investigation, Blomkvist and Salander uncover immense corruption beyond anything they have ever imagined.

In a moment of cowardice, Detective Carl Mørck sends Rose, his junior colleague in Department Q, to the remote Danish island of Bornholm to answer his old colleague Christian Habersaat's repeated requests. But during his forced retirement ceremony Christian kills himself sending Rose into a journey deep into her own traumatic past. Later, Department Q are embroiled into an old cold case of a girl found dead hanging in a tree.