Fresh from maternity leave, Detective Elma finds herself confronted with a complex case, when a man is found murdered in a holiday cottage in the depths of the Icelandic countryside - the victim of a frenzied knife attack, with a shocking message scrawled on the wall above him.

An inmate at Tonsgrove prison is murdered in her cell, but no one is willing to talk to the police. DI Gareth Williams is receiving pressure from above to solve the case – and quickly. Then, a local seventeen-year-old girl vanishes from her home. The close-knit community is shaken and they each have a different theory. Gareth knows that time is of the essence. With two major cases being investigated at the same time, the Beaumaris force is stretched thin. Frustrated at the lack of progress Gareth’s colleague and fiancée, DI Laura Hart, decides to take action: going undercover at the prison.

When Óttar Karlsson, a wealthy and respected government official and businessman, is found murdered, after failing to turn up at his own surprise birthday party, the police are at a loss. It isn't until young police officer Sigurdís finds a well-hidden safe in his impersonal luxury apartment that clues start emerging. As Óttar's shady business dealings become clear, a second unexpected line of enquiry emerges, when Sigurdís finds a US phone number in the safe, along with papers showing regular money transfers to an American account.

In a cave near Weston, potholers discover what they think are human remains. The bones are identified as belonging to Hugo Latchford, a boy who went missing a decade ago, and whose parents belonged to a quasi-religious cult masquerading as environmental activists. It’s not long before rumours that he was sacrificed in a midsummer ritual resurface. Returning to duty from maternity leave, DI Louise Blackwell finds herself leading the investigation, soon discovering that Hugo’s parents are still alive and the cult very much still active.

Bergen Private Investigator Varg Veum is perplexed when two wildly different cases cross his desk at the same time. A lawyer, anxious to protect her privacy, asks Varg to find her sister, who has disappeared with her husband, seemingly without trace, while a ship carrying unknown cargo is heading towards the Norwegian coast, and the authorities need answers. Varg immerses himself in the investigations, and it becomes clear that the two cases are linked, and have unsettling - and increasingly uncanny - similarities to events that took place 36 years earlier.

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.

When Abby, an American archeologist, arrives in St. Denis on the heels of her divorce, she hopes to make a new life for herself as a specialist guide for visiting tourists. So when a local British couple discover a World War II-era grave on their property, Abby is able to put her training to good use. As it turns out, in the grave are the remains of two German women and an Italian submarine officer who had a big secret to hide. The women are suspected of having had links to the German garrison in Bordeaux during the war.

When a boy leaps to his death from a bridge in the northern town of Umeå, Sweden, police discover drugs scattered in the snow near his body. The town has seen a dramatic increase in narcotic use among its youth, but nobody knows where the pills are coming from.

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.

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?

Newlyweds Chief of Police Kate Burkholder and John Tomasetti are happily spending their honeymoon at a beautiful Lake Erie cabin that was once part of an historic Amish settlement. But when a violent storm suddenly erupts, Lovina Nisley, the Amish owner of the cabin, goes missing. Lovina is in the early stages of Alzheimer’s disease, so it initially appears the elderly woman simply took the wrong path, but her disappearance takes an ominous turn when her husband reveals that a developer has been threatening them if they refuse to sell him their home.

A family outing to Tattershall Castle comes to a chilling end when eleven-year-old Tommy Burton disappears without a trace in broad daylight. All that remains in his place is a small blue teddy bear. DS Karen Hart and her team are called in to investigate the unusual circumstances—but for DI Morgan the crime scene is eerily familiar.

On the day Stockholm police officer Hanna Ahlander’s personal and professional lives crash, she takes refuge at her sister’s lodge in the Swedish ski resort paradise of Åre. But it’s a brief comfort. The entire village is shaken by the sudden vanishing of a local teenage girl. Hanna can’t help but investigate, and while searching for the missing person, she lands a job with the local police department. There she joins forces with Detective Inspector Daniel Lindskog, who has been tasked with finding the girl. Their only lead: a scarf in the snow. 

When a young boy discovers the body of a woman beneath a thick sheet of ice in a South London park, Detective Erika Foster is called in to lead the murder investigation. The victim, a beautiful young socialite, appeared to have the perfect life. Yet when Erika begins to dig deeper, she starts to connect the dots between the murder and the killings of three prostitutes, all found strangled, hands bound, and dumped in water around London.

When Jenna Bernstein, disgraced wunderkind CEO of a controversial biotech company, is accused of murdering her former partner and lover, she turns to Seattle attorney Keera Duggan to defend her. Keera is more than a master chess player who brings her intuitive moves into court—she’s Jenna’s childhood friend. But considering their history, Keera knows that where Jenna goes, trouble follows.