After years of dancing in Mumbai’s bars, Tara Mondal was desperate for a new start. So when a client offered her a life-changing payout to indulge a harmless, if odd, fantasy, she accepted. The setup was simple: wear a blue-sequined saree, enter a crowded railway station, and escape from view in less than three minutes. It was the last time anyone saw Tara. 

As India celebrates the arrival of a momentous new decade, Inspector Persis Wadia stands vigil in the basement of Malabar House, home to the city's most unwanted unit of police officers. Six months after joining the force she remains India's first female police detective, mistrusted, sidelined and now consigned to the midnight shift. And so, when the phone rings to report the murder of prominent English diplomat Sir James Herriot, the country's most sensational case falls into her lap.

'Did you have to kill them all?' It's the question Gabe Ahern has been running from since he bust open a major criminal operation - and left a dozen men dead. He knows that one day the 'bad guys' will come for revenge. A skilled dog-trapper, Gabe has one rule: leave no sign, leave no trace. And for the last year he's been successfully hiding out on a friend's remote cattle property in the Pilbara.

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. 

This is Reaper speaking. So begins an anonymous letter published in a Utah newspaper after a young couple is viciously murdered. Tooele County sheriff Elizabeth Gray leads the investigation into the double homicide, which is eerily reminiscent of a string of brutal killings years ago. When the letter leads detectives to yet another body, Gray calls on an old friend for help.

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 body of an elderly woman has been found in the bowels of a derelict asylum on the banks of the Thames. As Detective Lew Kirby and his partner begin their investigation, another body is discovered in the river nearby. How are the two murders connected? Before long, the secrets of Blackwater Asylum begin to reveal themselves. There are rumours about underground bunkers and secret rooms, unspeakable psychological experimentation, and a dark force that haunts the ruins, trying to pull back in all those who attempt to escape. 

Liza Larkin, a recent med-school graduate on the cusp of her pathology internship, isn’t like most people. She would rather study the human brain or pound the heavy bag at the gym than spend time with others, and as an outsider she doesn’t let societal norms confine her. So when a stranger’s picture sends Liza’s schizophrenic mother deeper into psychosis, Liza does a reverse-image search to identify him. Upon discovering he is a trauma surgeon at a Massachusetts teaching hospital, she impulsively changes her pathology residency program of choice to his center.

When a young red-haired woman is found brutally murdered in downtown Chicago, one detail stands out: the red lipstick encircling her wrists and ankles. Detective Harriet Foster is on the case, even though she’s still grieving the sudden death of her partner. As a Black woman in a male-dominated department, Foster anticipates a rocky road ahead acclimating to a new team—and building trust with her new partner isn’t coming easily. After another victim turns up with the same lipstick markings, Foster suspects she’s looking for a serial killer. 

When a girl’s body is found strangled, raped, and horrifically mutilated by a boat’s propeller, deep in the heart of the Norfolk Broads, newly arrived Detective Inspector John Tanner is asked to assist with the investigation. At first, all the evidence points to a man who had a multi-million-pound reason to kill her. But when an alibi is produced from an unexpected source, and another body appears at the base of a slipway, Tanner finds himself turning to local girl Detective Constable Jenny Evans for help.

The double murder of a married couple in a small Washington town draws FBI forensic linguist Raisa Susanto into an investigation that mirrors a decades-old crime. Twenty-five years ago—to the day—Alex Parker murdered his parents, then took his own life, leaving behind a note admitting everything. Raisa, paired with forensic psychologist Callum Kilkenny, uses her skills to read between the lines. Especially now that paranoid postings on a conspiracy thread suggest that Alex was a victim himself.

Missouri, 1955. Loretta Davenport has led an isolated life as a young mother and a wife to Pete, an ambitious assistant professor at a Bible college. They’re the picture of domestic tranquility—until a local girl is murdered and Loretta begins receiving messages from beyond. Pete dismisses them as delusions of a fevered female imagination. Loretta knows they’re real—and frightening.

On the muddy banks of the Calumet River, a body has been found posed next to a series of mysterious glyphs and bearing wounds from a ritualistic slaying. Chicago detective Addie Bisset knows only one man who can decipher the message left by the killer: her friend Dr. Evan Wilding. A brilliant forensic semiotician, Evan decodes the etchings as Viking Age runes. They suggest either human sacrifice or righteous punishment. But to what god? And for what sins? Only one thing is clear from the disturbing runic riddles: there are more victims to come.

When nineteen-year-old university student Emma goes missing, Detective Inspector Gareth Gravel is called in. But what is a simple missing person case soon turns into something much darker as Gravel’s inquiries lead him to the graves of five young women - each of whom looks just like Emma. With a serial killer on the loose and his latest victim already in his control, can the police find Emma in time? Or will Emma have to save herself?

Afton Teachout has been an outcast in her small town for twenty years—ever since she was accused of murdering her mother’s lover in a blackout fit of rage. That is, if one believes the malicious lies. Living with her grandmother, working a hotel night shift, and relying on pills to get a day’s sleep, Afton is due a little luck. It comes in the form of an unexpected financial windfall. With her newfound wealth, Afton sets a secret plan in motion to help her only friend, Sydney, flee a toxic husband. But the best intentions soon spin out of control.