In February 1986, the Halland police receive a call from a man who claims to have attacked his first victim. I’m going to do it again, he says before the line cuts off. By the time police officer Sven Jörgensson reaches the crime scene, the woman is taking her last breath. For Sven, this will prove a decisive moment. On the same night, Sweden plunges into a state of shock after the murder of the prime minister. Could there possibly be a connection?

At a former sanatorium in the north of Iceland, now a hospital ward, an old nurse, Yrsa, is found murdered. Detective Hulda Hermannsdottir and her boss, Sverrir, are sent to investigate her death. There, they discover five suspects: the chief physician, two junior nurses, a young doctor, and the caretaker, who is arrested following false testimony from one of the nurses, but subsequently released. Less than a week after the murder, the chief physician, is also found dead, having apparently fallen from a balcony.

Iceland, 1956. Fourteen-year-old Lára decides to spend the summer working for a couple on the small island of Videy, just off the coast of Reykjavík. In early August, the girl disappears without a trace. Time passes, and the mystery becomes Iceland‘s most infamous unsolved case. What happened to the young girl? Is she still alive? Did she leave the island, or did something happen to her there? Thirty years later, as the city of Reykjavík celebrates its 200th anniversary, journalist Valur Robertsson begins his own investigation into Lára's case.

Lorraine Henry is generally content to keep her head down and get on with her work as a records clerk at the Masterton police station. But when children start going missing in her small town, Lo can't help but pay attention. After all, she has Bradley, her young nephew, to worry about, and the cops don't seem to be putting much effort into finding the kids. And then the unthinkable happens: Bradley disappears. Distraught but determined, Lorraine vows to bring him home no matter what.

Vivvy Bouchet, daughter of a known psychic, was ten when she saved a boy’s life by making an impossible prediction. Now she’s an astrophysicist in Texas, devoted to science, but the boy she saved has become a cop who continues to believe she can see things no one else can. When he begs for help on the high-profile cold case of a kidnapped girl, Vivvy steps back into the ocean of voices that once nearly drowned her.

The body of a young Russian woman washes up on an Icelandic shore. After a cursory investigation, the death is declared a suicide and the case is quietly closed. Over a year later Detective Inspector Hulda Hermannsdóttir of the Reykjavík police is forced into early retirement at 64. She dreads the loneliness, and the memories of her dark past that threaten to come back to haunt her. But before she leaves she is given two weeks to solve a single cold case of her choice.

Nikki Serafino is enjoying the sunset from her boat in her beloved port city of Naples, Italy, when she discovers the body of a man in the warm waters of the bay. An investigator working as the liaison between local police and American troops, Nikki is certainly no stranger to violence and organized crime, but this case grows complicated when the victim turns out to be a U.S. Navy captain stationed at the nearby military base—and the autopsy reveals foul play.

Icelandic sisters Áróra and Ísafold live in different countries and aren‘t on speaking terms, but when their mother loses contact with Ísafold, Áróra reluctantly returns to Iceland to find her sister. But she soon realises that her sister isn’t avoiding her...she has disappeared. As she confronts Ísafold’s abusive, drug-dealing boyfriend Björn, and begins to probe her sister’s reclusive neighbours, Áróra is led into an ever-darker web of intrigue and manipulation.

The police are desperate for information on the triple homicide. Detective Joona Linna enlists the help of hypnotist Erik Maria Bark. But when Bark unlocks the secrets in the boy’s memory, he triggers a terrifying chain of events that will put all their lives in jeopardy.

Detective Inspector Karen Eiken Hornby has returned to the main island, Heimö, after many years in London and has worked hard to become one of the few female police officers in Doggerland. So, when she wakes up in a hotel room next to her boss, Jounas Smeed, she knows she's made a big mistake. But things are about to get worse: later that day, Jounas's ex-wife is found brutally murdered. And Karen is the only one who can give him an alibi.

Rebecka Martinsson is heading home to Kiruna, the town she'd left in disgrace years before. A Stockholm attorney, Rebecka has a good reason to return: her friend, Sanna, whose brother has been horrifically murdered in the revivalist church his charisma helped create. Beautiful and fragile, Sanna needs someone like Rebecka to remove the shadow of guilt that is engulfing her, to forestall an ambitious prosecutor and a dogged policewoman.

After the violence of Kristallnacht (1938), European Jews, now desperate to emigrate, found the consular doors of the world closed to them. Only one port required no entry visa: Shanghai, a self-governing Western trading enclave in what was technically Chinese territory, a political anomaly that became an escape hatch—if you were lucky enough to afford a ticket on one of the great Lloyd liners sailing to the East and safety.

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.

Seventeen years after the fall of the Third Reich, Max Weill has never forgotten the atrocities he saw as a prisoner at Auschwitz - nor the face of Dr. Otto Schramm, a camp doctor who worked with Mengele on appalling experiments and who sent Max’s family to the gas chambers. As the war came to a close, Schramm was one of the many high-ranking former-Nazi officers who managed to escape Germany for new lives in South America, where leaders like Argentina’s Juan Perón gave them safe harbor and new identities.

When a body of a woman is discovered at a lighthouse in the Icelandic town of Akranes, it soon becomes clear that she’s no stranger to the area. Chief Investigating Officer Elma, who has returned to Akranes following a failed relationship, and her collegues Sævar and Hörður commence an uneasy investigation which uncovers a shocking secret in the dead woman’s past that continues to reverberate in the present day.