A psychopath is terrorizing Copenhagen. His calling card is a “chestnut man” - a handmade doll made of matchsticks and two chestnuts - which he leaves at each bloody crime scene. Examining the dolls, forensics makes a shocking discovery - a fingerprint belonging to a young girl, a government minister’s daughter who had been kidnapped and murdered a year ago. A tragic coincidence - or something more twisted? To save innocent lives, a pair of detectives must put aside their differences to piece together the Chestnut Man’s gruesome clues.

Carter's a homicide cop in Titanshade, an oil boomtown where 8-tracks are state of the art, disco rules the radio, and all the best sorcerers wear designer labels. It's also a metropolis teetering on the edge of disaster. As its oil reserves run dry, the city's future hangs on a possible investment from the reclusive amphibians known as Squibs. But now negotiations have been derailed by the horrific murder of a Squib diplomat. The pressure's never been higher to make a quick arrest, even as Carter's investigation leads him into conflict with the city's elite.

When a local girl falls prey to a sadistic serial killer, Nashville homicide lieutenant Taylor Jackson and her lover, FBI profiler Dr. John Baldwin, find themselves in a joint investigation pursuing a vicious murderer. The Southern Strangler is slaughtering his way through the Southeast, leaving a gruesome memento at each crime scene – the prior victim’s severed hand.

Rush hour, London. A packed commuter train is torn apart in a collision. Picking through the carnage, ex-special forces profiler Ziba MacKenzie helps a dying woman who passes on a cryptic message: He did it. You have to tell someone. When a corpse is found bearing the gruesome signature of a serial killer dormant for twenty-five years, Ziba is pulled into the hunt for the perpetrator. As the body count rises it becomes clear he’s on a new spree. But what’s brought the London Lacerator back after such a long hiatus?

When Sienna Walker is nearly fired from the NYPD, the last thing she expects is a second chance in the one place she vowed never to return to. But she can’t afford to turn down the job offer, even if a painful familial past and a broken engagement hardly make Reno, Nevada, home sweet home. It’s made even less sweet by Sienna’s first case—a serial killer with a curious fixation on her. Along with his victims, the killer leaves perplexing clues and chilling journal entries addressed to Sienna detailing the murders he claims his mother committed.

Ten years ago, in the pine-shaded town of Savage Ridge, Nick, Emmy, and Pete murder their high school classmate, Sammy Saint John. His body is never found, and no arrests are made. The three friends make a pact to leave Savage Ridge and never return. Now, each is drawn home, seemingly by chance or fate. But it's neither: Private Investigator Sloane Yo has brought them back to finally answer for their crime.

In the small American town of Hope, teenager Lucas Caldwell dreams of escaping his life. His mother, Liss, is struggling with addiction, and his sickly little brother, Reuben, would never survive her without him. His grandfather, Lucky, is dying in a care facility, his mind fading. But in a final moment of clarity, he lets slip to Lucas that he is in possession of a painting worth millions, stolen from a transport convoy in a daring heist five decades ago. As the disbelief fades, a thin hope begins to grow.

Matt Walker was a chancer; he’d spent his entire profession chasing the next job. His personal life took on a similar mantra. Life was slowly drifting him by. Until one evening, in a hotel bar, following a fortuitous meeting with the quiet and unassuming Julia. She knew of an opportunity that would be the perfect fit for Matt; one he simply couldn’t let go. Not only did the subsequent interview provide him his with dream job; it would also be where he met the love of his life. Matt and Amelia spent each day working hand-in-hand, and every evening in premarital bliss.

While investigating Blackston’s recent activities, FBI Agent Jeremy Winter stumbles upon a string of missing persons within state parks. Unable to convince his boss that Blackston’s disappearance is anything other than a lost hiker, Winter joins forces with a local police officer to continue the search. As the clues mount, a dark figure from Jeremy’s past emerges with an ultimatum - one that could force him out of the bureau. Afraid that his girlfriend, fellow agent Maggie Keeley, will be dragged into a high-stakes political game, he delays his decision.

Seventeen years ago, Criminal Inspector Ewert Grens was called to the scene of a brutal crime. A family had been murdered, and the only survivor - and witness - was the five-year-old daughter. The girl was placed in the witness protection program, and the case went cold, but years later, Grens is still haunted by the seemingly random slaying and the little girl who was spared. So when he learns that the apartment where the crime occurred is now the scene of a mysterious break-in, Grens immediately fears that someone is intent on silencing the only witness.

Hoping to put behind him tragedy in his professional life and to resolve the turmoil in his personal life, Reykjavik police officer Guðgeir Fransson has moved as far away from home as he can, marking time in a dead-end job in a small town in eastern Iceland.

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.

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.

When Victoria Davies was pushed off her stately home's roof in 2001, all evidence pointed to her husband Michael. But now, 20 years later a letter has appeared, written by Victoria before her death; a letter that was never received, and a letter that brings new suspects into the fray; Labor MPs Shaun Donnal, Andrew MacIntyre, and Charles Baker.

Forensic psychologist and rookie FBI agent Alexis Forrest returns to her hometown of Broken Hill to investigate the disappearance of a missing teenage girl. Returning to this snowy New England town is the last thing Alexis wants to do. She has a strained relationship with her divorced parents whose relationship did not survive the disappearance and murder of Alexis’ older sister, or her dad’s prison sentence. The circumstances of this girl’s disappearance are surprisingly similar to her sister’s yet the local police aren’t exactly welcoming to an inexperienced FBI agent sent to ...

The Bucket List starts when undercover FBI Agent John Adderley wakes up in a hospital bed in Baltimore with extensive gunshot wounds. He knows he’s lucky to be alive. And just a few beds away is the man who 24 hours ago pointed a gun to his head. Soon, a high-profile cold-case file is sent to Agent Adderley, now living in Sweden (where he’s not lived since he was a boy) in witness protection, hiding until he can testify against the drug cartel he infiltrated back in the States. Adderley is determined to solve the case, even with a price on his head....

Cat lives in Los Angeles, far from 36 Westeryk Road, the imposing gothic house in Edinburgh where she and her estranged twin sister, El, grew up. As kids, they invented Mirrorland, a dark, imaginary place under the pantry stairs, full of pirates, witches, and clowns. These days, Cat rarely thinks about their childhood home, or the fact that El now lives there with her husband, Ross. But when El mysteriously disappears after going out on her sailboat, Cat is forced to return to 36 Westeryk Road, which hasn’t changed in twenty years.

Detective Jack Mackinnon has his work cut out trying to track down missing student, Anya Blonski. As Mackinnon follows the trail of obsession and murder to the shady owners of the Star Academy, who thrive on society's obsession with reality TV shows, he realises the fame they offer comes at a price. When a second girl goes missing, Mackinnon is forced to consider a serial killer may be stalking the city.

A German citizen is murdered in Belfast Botanic Gardens. Investigating, DCI Gawn Girvin concludes it is a revenge killing. But she draws a blank from CCTV and forensics. The only clue is the top of a perfume bottle found at the scene. As frustration sets in, Girvin develops a hunch that by tracing the victim’s criminal connections, they’ve followed the wrong scent. A young female university student seen nearby may hold the only key to unlocking the case. And like a bloodhound, Girvin follows the new leads. But being ex-army, her cold demeanour is a magnet for risk takers.

Five years ago, DCI John Lomond led the search for notorious Glasgow child-killer ‘The Sandman', until personal tragedy forced him off the case. In Lomond's absence, the killer was never found. Now, with nothing but work left in his life, Lomond remains obsessed with the case–despite the nightmares it brings. When a child is abducted in similar Sandman fashion from an affluent Glasgow suburb, Lomond is brought in to find them before it's too late.