A six-year-old girl is found in the Norwegian countryside, hanging lifeless from a tree and dressed in strange doll's clothes. Around her neck is a sign that says, "I'm traveling alone." A special homicide unit in Oslo reopens with veteran police investigator Holger Munch at the helm. Holger's first step is to persuade the brilliant but haunted investigator Mia Krüger, who has been living on an isolated island, overcome by memories of her past.

When an old man is found dead on the road - seemingly run over by a Hungarian au pair - police investigator Anna Fekete is certain that there is more to the incident than meets the eye. As she begins to unravel an increasingly complex case, she’s led on a deadly trail where illegal immigration, drugs and ultimately murder threaten not only her beliefs but her life.

When a young woman is found brutally murdered in her own apartment, with an intricate pattern of lines carved into her face, Copenhagen police detectives Jeppe Korner and Anette Werner are assigned to the case. Soon, they establish a link between the victim, Julie Stender, and her landlady, Esther de Laurenti, who’s a bit too fond of drink and the host of raucous dinner parties with her artist friends. Esther also turns out to be a budding novelist - and when Julie turns up as a murder victim in the unfinished mystery she’s writing, the link between fiction and real life grows.

A young woman is found strangled in a park, and a male journalist has been killed in the backyard of the Royal Hotel in Copenhagen. Detective Louise Rick is put on the case of the young girl but very soon becomes entangled in solving the other homicide, too, when it turns out her best friend, journalist Camilla Lind, knew the murdered man. Louise tries to keep her friend from getting too involved, but Camilla's never been one to miss out on an interesting story. And this time, Camilla may have gone too far.

Autumn of 1987 takes a young couple on a romantic trip in the Westfjords holiday - a trip that gets an unexpected ending and has catastrophic consequences. Ten years later a small group of friends go for a weekend in an old hunting lodge in Elliðaey. A place completely cut off from the outside world, to reconnect. But one of them isn't going to make it out alive. And Detective Inspector Hulda Hermannsdóttir is determined to find the truth in the darkness.  

The only witness to a shocking murder is the victim's 10-year-old daughter, Margret. The police turn to the Children's House for their expertise in childhood trauma. The manager, Freyja, doesn't much like the police - especially the detective in charge, Huldar. But she does want to help them protect Margret. And when more people die - their murders heralded by strange messages, texts, and strings of numbers - they will have to work together to crack the riddle before they become targets themselves.

The newspaper refers to the body only as Victim 2117 - the 2117th refugee to die in the Mediterranean Sea. But to three people, the unnamed victim is so much more, and the death sets off a chain of events that throws Department Q, Copenhagen’s cold cases division led by Detective Carl Mørck, into a deeply dangerous - and deeply personal - case. A case that not only reveals dark secrets about the past, but has deadly implications for the future.

A stranger wearing a mask stands in the shadow of a garden. He's watching his first victim through the window. He will kill him slowly, make it last - play him a nursery rhyme - make him pay. There's only one person the police can turn to - ex-Detective Joona Linna - but he's serving time in a high-security prison. So they offer him a chance to secure his freedom: help Superintendent Saga Bauer track down the vicious killer known as the Rabbit Hunter, before he strikes again. Soon, another three victims have been murdered, and Stockholm is in the grip of terror.

Ari Thór Arason is a local policeman whose tumultuous past and uneasy relationships with the villagers in an idyllically quiet fishing village in Northern Iceland - where no one locks their doors - continue to haunt him. The peace of this close-knit community is shattered by the murder of a policeman - shot at point-blank range in the dead of night in a deserted house. With a killer on the loose and the dark Arctic winter closing in, it falls to Ari Thór to piece together a puzzle that involves tangled local politics, a compromised new mayor, and a psychiatric ward.

Nora's daughter, Annabelle, has disappeared, last seen on her way home from a party. Gullspång's inexperienced police are wilting under the national media spotlight - and its residents desperate for answers. Stockholm DI Charlie Lager must return home to find Annabelle and then get out of town as soon as she can. Before everyone discovers the truth about her....  

Driving home during a swirling blizzard, Vera Stanhope's only thought is to get there quickly. But the snow is so heavy that she becomes disorientated and loses her way. Ploughing on, she sees a car slewed off the road ahead of her. With the driver's door open, Vera assumes the driver has sought shelter, but when she inspects the car she is shocked to find a young toddler strapped in the back seat. Afraid they will freeze, Vera takes the child and drives on, arriving at Brockburn, a run-down stately home she immediately recognises as the house her father, Hector, grew up in. 

In a busy shopping center, a little girl clutches a teddy bear, clinging to it in the absence of her mother, Katrina. Hours later, Katrina’s body is discovered in an abandoned building. For Detective Kim Stone, it looks like a quick, functional murder. But Kim’s instincts tell her there’s more to this senseless murder than meets the eye. What was the motive for killing a young mother out shopping with her child? 

When a high-ranking head of the migration board is found shot to death in his living room, there is no shortage of suspects, including his wife. But no one expects to find mysterious, child-size fingerprints in this childless home. Public prosecutor Jana Berzelius steps in to lead the investigation. Young and brilliant but emotionally cold, Berzelius, like her famous prosecutor father, won't be swayed by the hysterical widow or intimidated by the threatening letters the victim had tried to hide.

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.

A chilling note predicting the deaths of six people is found in a school's time capsule, 10 years after it was buried. But surely, if a 13-year-old wrote it, it can't be a real threat.... Detective Huldar suspects he's been given the investigation simply to keep him away from real police work. He turns to psychologist Freyja to help understand the child who hid the message. Soon, however, they find themselves at the heart of another shocking case.