It was an ordinary school day, the day I lost my little brother. One moment he was on the roundabout and then was gone. Gone. Missing. They all blamed me. I was in charge. Even though I was only ten years old. They sent me away. The hurt, the shame, the questions. The not knowing. I tried to move on. It’s been nineteen years in exile and now somebody wants me back. Someone with a dark secret.

Ali and Christopher Tolfrey's one-year-old daughter, Eden, is abducted whilst in the care of Ali’s best-friend. Snatched in broad daylight from Bushy Park on a trip to the swings, Eden disappears without a trace. Brooke Simmons regains consciousness, dazed from a blow to the head, to find Eden, her best friend's child, missing. Someone has taken Eden, and Brooke knows who. But it's a secret she can't share with Ali or the police without revealing the web of deceit she's spun.

Eve Harding's world implodes one Sunday morning when she is violently assaulted and raped walking to a South London train station. As her attacker evades the police and is left to roam the streets to stalk his next victim, Eve is forced to seek out her assailant before he strikes again. With vengeance in mind, Eve is determined to find him in time and deliver justice on her own terms. In a game of cat and mouse, who is stalking who?

In 1997 teenager Sophie White and her three girlfriends decide they want to lose their virginity before summer is over. Roping in her childhood buddy Gareth and his mates, Sophie holds a party to get the deed over and done with, but the night doesn’t end as planned. Twenty years later, the group are brought back together when Gareth is killed in a car accident and Sophie begins receiving threatening messages. It seems the party wasn’t as innocent as everyone thought, and now someone wants payback.

Celebrating her forty-fifth birthday at her local pub, popular podcaster Alix Summer crosses paths with an unassuming woman called Josie Fair. Josie, it turns out, is also celebrating her forty-fifth birthday. They are, in fact, birthday twins. A few days later, Alix and Josie bump into each other again, this time outside Alix’s children’s school. Josie has been listening to Alix’s podcasts and thinks she might be an interesting subject for her series. She is, she tells Alix, on the cusp of great changes in her life.

Tracy Crosswhite has spent 20 years questioning the facts surrounding her sister Sarah’s disappearance and the murder trial that followed. She doesn’t believe that Edmund House - a convicted rapist and the man condemned for Sarah’s murder - is the guilty party. Motivated by the opportunity to obtain real justice, Tracy became a homicide detective with the Seattle PD and dedicated her life to tracking down killers.

It was summer in the mountains when five small children vanished from their nursery school picnic. The heat was stifling that day, the tinkle of an ice-cream van in the air.... Three-and-a-half years later, in the dead of winter, the children are returned to their families...one by one. All except for Ivy - the granddaughter of Homicide Detective Kate Wakeland. The other four children say Ivy is dead.

Something happened to me when I was nine. My childhood memories before that fateful day are gone. Extinguished. The aftermath has become a living nightmare with a guilt that runs so deep that I’m not sure I can ever tell anyone. I fear I've left it too late. The burden of my secret and the hurt and pain that silence cost each and every member of my family is too overwhelming. But you can't avoid fate and now I have the opportunity to right the wrongs inflicted on us. There was no justice. Not then. Not now. But I can change that.

The night my mum disappeared, after a panicked 3am phonecall, I knew something was wrong. The police tried to reassure me. There had to be a logical explanation they said – perhaps she’s taking a break after the tragic death of my father. But I know my mum. Or do I? She would never leave without telling me. Or would she? The harder I look, the more I discover deep, dark family secrets I was not privy to. Worrying secrets I was never meant to know. Which means my parents have lied to me my whole life.

A family is gunned down in the snow, but one of the children survives. Three years on, that child takes revenge, and the Snow Killer is born. But then, nothing - no further crimes are committed, and the case goes cold. 50 years later, has the urge to kill been reawakened? As murder follows murder, the detective team tasked with solving the crimes struggle with the lack of leads. It’s a race against time and the weather - each time it snows, another person dies.

A family of four murdered in their hotel room. A single mother and her boyfriend both stabbed to death. A sordid history of violent crimes, repeated over and over - but decades apart. Olivia Barker is a therapist with no connection to the murders. But she has heard things. Stories that keep her up at night. Details that only a killer would know. A killer who could be one of her patients…Olivia has no proof for her suspicions. But as the body count rises, so do her fears. A rock is thrown through her window, her car tires are slashed, a chilling message is scrawled on her bathroom mirror.

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.

Gina Royal is the definition of average—a shy Midwestern housewife with a happy marriage and two adorable children. But when a car accident reveals her husband’s secret life as a serial killer, she must remake herself as Gwen Proctor—the ultimate warrior mom. With her ex now in prison, Gwen has finally found refuge in a new home on remote Stillhouse Lake.

When Mia shows up for the interview at a well-known architecture firm, she only has 27p, a squashed loaf of bread, and a jar of peanut butter to her name. She needs this job, even if she is scared to death of the owner of the company. To Mia, huge, grumpy men aren't sexy; they're simply terrifying. She knows from experience that even men of average size can be dangerous. If she weren't so desperate, she'd run.

Deborah Jenkins pulls her coat around her as she sets out on her short walk home in the pouring rain. But she never makes it home that night. And she is never seen again.

Four years later, an abandoned baby girl is found wrapped in dirty rags on a doorstep. An anonymous phone call urges the police to run a DNA test on the baby. But nobody is prepared for the results. The newborn belongs to Deborah. She’s still alive.