Last night my sister was murdered. The police think I killed her. I was there. I watched the knife go in. I saw the man who did it. And heard him laugh when he said he'd never be caught. Because he knows I have prosopagnosia - I can't recognise faces. And if I don't find the man who killed my sister, I'll be found guilty of murder.

When five-year-old Ava Sawyer goes missing from a birthday party at a local garden center, the police are bewildered by the lack of leads. That is, until two years later, when Ava’s body is found and another little girl, Audrey Briggs, goes missing. Audrey also attended that party. Leading the investigation is Detective Natalie Ward. A mother of two teenagers, this case chills her to the bone and is a disturbing reminder of the last job she worked on. One that still keeps her awake at night.

As she prepares for her wedding to Dominic, Catherine has never been happier or more excited about her future. But when she receives an anonymous package - a familiar snow globe with a very grisly addition - that happiness is abruptly threatened by secrets from her past. Her older sister, Rachel, died on a skiing holiday as a child. But Rachel was no angel: she was vicious and highly disturbed, and she made Catherine's life a misery. Catherine has spent years trying to forget her dead sister's cruel tricks.

Your best friend. Your worst nightmare.... From the moment they met as children, Sasha knew that beautiful, wealthy, and confident Caitlin would always be her absolute best friend. Sasha would do anything to make Caitlin happy. Even keep her darkest secrets. The years have passed, but their friendship remains. And when Caitlin announces she’s getting married, there is only one choice for the role of bridesmaid. Sasha will make sure Caitlin’s wedding is as beautiful and perfect as she is. Won’t she? 

Paige, Richard and me. We thought we’d be friends forever. But everything changed the day we took the shortcut home from school along the old railway line. I wish we’d gone the long way. I wish we hadn’t seen our classmate, pale and still in the undergrowth. And I wish we hadn’t promised to keep one, awful detail a secret just between us.... 

I stare at the newspaper article about a baby snatched from the back of a car 30 years ago and wonder why someone would post it through my door. Looking closer, my blood freezes. The little girl in the photo has an unusual scar - just like mine. I’ve never met anyone with one like it. Is this stolen child...me? Trembling with shock, I know I have to confront my mother. My parents got me through a horrific accident, helped me find a job I love teaching art, and even with buying my own house. But was it all built on lies? 

No one believed Gail Millar killed her sister and then herself 18 years ago. But if anyone knows the truth about what happened that night, they’re keeping it to themselves. Rose’s stepsister, Willow, is always disappearing off somewhere without notice. But something feels different this time. When she receives a mysterious package from Willow containing photographs of four men, one of whom she is sure is a murderer, Rose realises she needs to find her sister and uncover the truth about her past. 

When 17-year-old, Eva Olsen, awakes after a horrific accident that has left her bed-bound, her parents are right by her side. Devoted, they watch over her, night and day, in the attic room of their family home in the forests of Norway. But the accident has left Eva without her most recent memories, and not everything is as it seems. As secrets from the night of the accident begin to surface, Eva realises she has to escape her parents' house and discover the truth. But what if someone doesn't want her to find it?

Emily and Jake are the perfect couple. Or so everyone says. But Emily just read a letter that has shattered her perfect world. Now she only has one thing on her mind. Which one of her friends is sleeping with her husband?

I return home to our beautiful house on a chilly winter evening expecting to find my handsome husband Richard waiting for me by the fire. We’re still so in love, and he always takes care of me. He usually comes straight back from work. But tonight, our antique clock ticks on through the dark evening, with no sign of him. Then a knock at the door shatters my perfect life. A 12-year-old-girl, Alice from the village, has been found unconscious in the field behind our house. They say she was last seen getting into Richard’s car.

He was there for her first steps. He helped with her homework. And then, two days before her ninth birthday, Martha’s father walked out. She never knew what went wrong, but she and her mother, Fran, never saw or heard from him again. Fifteen years later, Martha and Fran live in a remote, pretty cottage in Cornwall. Fran paints illustrations for children’s books, while Martha trains as an animal nurse at the local vet’s surgery. But then Martha sees a strange message on her mother’s phone - from her father. Desperate for answers, she tracks him down.

The first time you see them, out for an evening walk on the cliffs, you’ll think they’re the perfect family. You’ll see a wife who looks so happy, strolling peacefully beside her husband in his dark winter coat, holding her daughter’s hand. But you have no idea what’s really happening in their house.... If you come a little closer, you might hear the way the man speaks to his wife. You might notice that the woman doesn’t have any close friends. That sometimes her husband doesn’t want her to leave the house.

When Mia James is washed up on a beautiful, sun-drenched beach, she has no idea who she is or what happened to her. She doesn’t even recognize her own face–until her boyfriend, Piers, comes forward, providing her with an identity. Piers is handsome and attentive, Mia’s home is huge and stylish, and her friends are eager to help her fill in the blanks. As Mia steps into the perfect life she was living before her accident, she should feel lucky to be alive. But she struggles to adjust, lost for words around people she is meant to know and love, grasping for clues about who she is.

It seems like an ordinary Wednesday, until the phone rings. A mysterious caller with a chilling threat. Journalist Alice Henderson hangs up, ready to dismiss it as a hoax against the newspaper. But the next Wednesday, the stalker makes another move - and it becomes clear that this is all about Alice. Someone wants her to suffer, but for what? Her articles have made her a popular local champion - could it be her past rather than her work that’s put her life in danger? 

Sara made one promise to herself when she was growing up in foster care: that if she was lucky enough to have a family, she’d always do whatever it took to protect them. Looking around her home with its cozy kitchen and living room, where her energetic teenage daughters and gorgeous 4-year-old son all eat, play and live together, she knows she’d do anything to keep them safe. So when Sara’s husband Matt loses his job and every shred of his confidence with it, she knows it’s up to her to bring the family back from the brink.