Amber applies a dash of red lipstick and checks herself out in the mirror before heading out on a date. ‘Don’t wait up!’ she calls to her housemates as she leaves. But Amber never returns home that night. Amber Slater is never seen again.

Marissa lives alone in her tiny one-bed apartment. It’s quiet and safe; all she’s ever wanted since the night her mother was killed in front of her. But when the police knock on her door with the news that her last remaining family member has been murdered, she comes face-to-face with the trauma she has spent a lifetime running from.

Everyone in the small town of Denton is searching for Isabelle Coleman, a missing 17-year-old girl. All they've found so far is her phone and another girl they didn't even know was missing. Mute and completely unresponsive to the world around her, it's clear this mysterious girl has been damaged beyond repair. All Detective Josie Quinn can get from her is a name: Ramona. Currently suspended from the force for misconduct, Josie takes matters into her own hands as the name leads her to evidence linking the two girls.

When the body of a woman is found hanging from a tree in her front garden, rookie Detective Morgan Brookes is first on the scene. But Olivia Potter is past saving. And when her husband and daughters cannot be traced, Morgan knows there is more to this tragedy. And then she finds them. Lying huddled together in the dark basement, each of their faces covered with a small cotton cloth, their bodies cold to the touch. But as Morgan kneels beside the family, she realizes that one of the girls is still breathing.

Five figures gather 'round a shallow grave. They had all taken turns to dig. An adult-sized hole would have taken longer. An innocent life had been taken, but the pact had been made. Their secrets would be buried, bound in blood. Years later a headmistress is found brutally strangled, the first in a spate of gruesome murders that shock the Black Country.

Running from a devastating relationship that almost cost her everything, Maddy Hart impulsively accepts a job as a live-in caretaker at imposing Lakeview House. She has no memories of having visited the crumbling mansion on the banks of Lake Thirlmere before, but when she arrives, something about the house feels familiar. The more time Maddy spends in the house, the more unsettled she feels. By day, she clears out the dusty rooms, but in the dead of night, it’s hard to explain away the eerie noises or crackly radio she hears hours after she turned it off.

Detective Lucy Harwin is called out to attend the discovery of a woman’s body in an abandoned, crumbling church and is quickly plunged into a case that will test her leadership skills to the limit. With no leads except the crudely-fashioned crucifix the victim was displayed on, Lucy is at a complete loss. That is, until another body turns up: an elderly woman who devoted her life to the church. Faced with a killer stalking the streets of her small coastal town, while also throwing herself into work to forget the love of her life, Lucy’s first case is turning into a nightmare.

After a scandal forces DI Kelly Porter out of the Met, she returns home to the Lake District. Crimes in the Cumbrian constabulary tend to be minor, but Kelly begins work on a cold case that shocked the local community - the abduction and brutal murder of a 10-year-old girl. 

When the body of a teenage runaway is found hidden inside someone else’s grave in a small-town cemetery in the Lake District, an urgent call is made to forensic pathologist Beth Adams. Still traumatised by a recent attempt on her own life, one look at the beautiful girl’s broken body is enough to bring Beth out of hiding for the first time since her attack. She’s the only one who can help her trusted friend, Detective Josh Walker, crack the most shocking case of his career.  

In the remote forests of Stillwater, Minnesota, you can scream for days and no one will hear you. So when the bodies of two 15-year-old girls are discovered frozen in the snow, Special Agent Nikki Hunt is sure the killer is local: Someone knew where to hide the girls and thought they would never be found. Though Nikki hasn’t been home in 20 years, she knows she must take over the case.

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?

When Detective Madison Harper arrives at a remote summer camp in Shadow Falls, Northern California, her heart breaks for Jenny, the sweet little girl last seen splashing in the lake with her friends before she vanished. Peering into the silent cabins filled with rows of neatly made beds, Madison knows this idyllic place is hiding a terrible secret. 

An eight-year-old girl, Chelsea Compton, is missing in Pine Valley, California, and for Detective Katie Scott it’s a cruel reminder of the friend who disappeared from summer camp 20 years ago. Unable to shake the memories, Katie vows she won’t rest until she discovers what happened to Chelsea. But as Katie starts to investigate, the case reveals itself to be much bigger and more shocking than she feared. Hidden deep in the forest she unearths a makeshift cemetery: a row of graves, each with a brightly colored teddy bear.

When Penny Matthews, a seven-year-old girl with blonde curls and a gap-toothed smile, goes missing in the Appalachian mountains, Detective Ellie Reeves is called straight to the scene. According to Penny’s parents, their daughter vanished after a picnic by the creek. All that’s left behind is a pink friendship bracelet etched with “Penny”. 

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.