On a warm summer morning in North Carthage, Missouri, it is Nick and Amy Dunne’s fifth wedding anniversary. Presents are being wrapped and reservations are being made when Nick’s clever and beautiful wife disappears. Husband-of-the-Year Nick isn’t doing himself any favors with cringe-worthy daydreams about the slope and shape of his wife’s head, but passages from Amy's diary reveal the alpha-girl perfectionist could have put anyone dangerously on edge.

Everyone has secrets, and Rachel Holloway is no exception. She’s worked hard to keep the past where it belongs: dead and buried. And so far, she’s been very successful. But now the small newspaper where she works wants to produce a podcast on a cold case: the disappearance 12 years ago of young Molly Forster. Some secrets should never see the light of day, and, as far as Rachel is concerned, whatever happened to little Molly is one of them.

Carl Mørck used to be one of Denmark’s best homicide detectives. Then a hail of bullets destroyed the lives of two fellow cops, and Carl - who didn’t draw his weapon - blames himself. So a promotion is the last thing he expects. But Department Q is a department of one, and Carl’s got only a stack of cold cases for company. His colleagues snicker, but Carl may have the last laugh, because one file keeps nagging at him: A liberal politician vanished five years earlier and is presumed dead. But she isn’t dead...yet.

When a woman's body is discovered in a cathedral and hours later a young man is found hanging from a tree outside his home, Detective Lottie Parker is called in to lead the investigation. Both bodies have the same distinctive tattoo clumsily inscribed on their legs. It's clear the pair are connected, but how? The trail leads Lottie to St Angela's, a former children's home, with a dark connection to her own family history. Suddenly the case just got personal.

A simple DNA test is all it takes. Just a quick mouth swab, and soon, you'll be matched with your perfect partner - the one you're genetically made for. That's the promise made by Match Your DNA. A decade ago, the company announced that they had found the gene that pairs each of us with our soul mate. Since then, millions of people around the world have been matched. But the discovery has its downsides: Test results have led to the breakup of countless relationships and upended the traditional ideas of dating, romance, and love.

Dear Elizabeth, I've been watching you. I hope to see you...soon. Liz Cafferky is on the up. Rescued from her dark past by the owner of a drop-in centre for older men, Liz soon finds herself as the charity's face - and the unwilling darling of the Dublin media. Amidst her claustrophobic fame, Liz barely notices a letter from a new fan. But then one of the centre's clients is brutally murdered, and Elizabeth receives another, more sinister note. Running from her own ghosts, Liz is too scared to go to the police.

At 39, Manon Bradshaw is a devoted and respected member of the Cambridgeshire police force, and though she loves her job, what she longs for is a personal life. Single and distant from her family, she wants a husband and children of her own. One night, after yet another disastrous Internet date, she turns on her police radio to help herself fall asleep - and receives an alert that sends her to a puzzling crime scene.

Struggling to balance her personal and professional life, young DS Becca Vincent has landed the biggest case of her career - and she knows that it will make or break her. But she can’t catch the culprit alone. Together with facial recognition expert Joe Russell, she strives to get a lead on the elusive murderer, who is always one step ahead of them. Time is not on their side. The body count is rising, and the attacks are striking closer and closer to home. Can Becca and Joe uncover the connection between the murders before the killer strikes the last name from his list?

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?

On a remote Highland mountain, the body of Elaine Buxton is burning. All that will be left to identify the respected lawyer are her teeth and a fragment of clothing. In the concealed back room of a house in Edinburgh, the real Elaine Buxton screams into the darkness…. Detective Inspector Luc Callanach has barely set foot in his new office when Elaine’s missing persons case is escalated to a murder investigation. Having left behind a promising career at Interpol, he’s eager to prove himself to his new team.

Infiltrating the inner circle of enigmatic criminal Zain Carver is dangerous enough. Pulling it off while also rescuing Isabelle Rossiter, a runaway politician's daughter, from Zain's influence? Impossible. That's why Aidan Waits is the perfect man for the job. Disgraced, emotionally damaged, and despised by his superiors. In other words, completely expendable. But Aidan is a born survivor. And as he works his way deep into Zain's shadowy world, he finds that nothing is as it seems. Zain is a mesmerizing, Gatsby-esque figure who lures young women into his orbit - women who have a bad habit of turning up dead.

We all know someone like Becca. She has the job everyone wants, a designer wardrobe, a hot-shot lawyer boyfriend, holidays to exotic locations. And she flaunts her perfect life all over social media. It drove her colleague Lizzie mad, but she couldn't stop looking. They were never really friends - and yet Lizzie knew everything about her. Or did she? When chance and a terrible mistake pull Lizzie back into Becca's orbit years after they lost touch, she'll realise that you can't always believe what you see online...and that finding out the truth might be the worst thing you can do.

How do you catch a killer who knows your every move? She drew the curtains and returned to the kitchen where she removed the bottle of vodka from the freezer and reached for the large kitchen knife. If he dared to come back, she'd be ready for him. When a body is found hanging in the remains of a dock-side warehouse, detective Kate Matthews is called to the scene.

It's Maya and Jamie's anniversary, and she waits with excitement for him to return home for a celebratory dinner. There's a knock at the door. It's the police. Jamie has been found hanging in a local wood. His death is ruled a suicide, but Maya doesn't believe Jamie would take his own life. Something isn't right. Someone has broken into her house. Someone is watching her. And someone has gone to great lengths to cover up what Jamie was doing before he died.

It was the job she had dreamed of since childhood. But on her very first day, when an unnerving encounter drags up memories Sophie Greenwood would rather forget, she wonders if she has made a mistake. A fatal mistake. What is her ambitious young assistant really up to? And what exactly happened to Sophie's predecessor? When her husband and daughter are pulled into the nightmare, Sophie is forced to confront the darkest secrets she has carried for years.