Tucking her little boy Ollie into bed one night, Sarah notices his beloved teddy bear, which she bought him when he was born, is missing and in its place is a new toy given to him by her ex-husband’s new girlfriend, Laura. When she asks Ollie about it, he begins to shift uncomfortably before whispering, "Laura told me a big secret, and she said I can never tell you." Soon, Ollie is asking to spend more time with his dad and Laura, and shrinking away from Sarah. Then, when she calls to him in the garden one day, Ollie doesn’t answer back. 

Everyone in the village admires Anna because she’s a wonderful mother. Juggling family life with a small sewing business, she’s the one they turn to for a warm hug after a hard day. Her kind, polite daughters are a credit to her - even Bay, her stepdaughter, whom Anna loves as much as her own two girls. But normal family life changes overnight when Anna’s middle daughter’s beauty catches the eye of a stranger in a café. As jealousy erupts between the siblings, Anna’s perfect blended family begins to unravel around her. 

Karla watches silently as Jason hurriedly packs his belongings into a suitcase. She knows that her stillness is unnerving him as she watches his every move from the doorway of their bedroom. "I’ve fallen in love with someone else", he’d said to her, just moments earlier. The brutality of those words hit Karla hard and she struggled to breathe as she took in each word in turn. You may think you know what Karla will do next. But you’ll be wrong. Because Karla isn't who you think she is. Only she knows what's about to happen. And you will never see it coming.

Rebecca only wanted to help out - to be kind. Richard seemed so alone after his wife, Nicole, died, and Rebecca wanted to make sure he knew he had someone on whom to rely. But now, she’s in Nicole’s immaculate house. Drinking from her favourite crystal wine glass. Keeping shoes in her orderly closet. Comforting her sweet and grieving stepdaughter. It feels like Rebecca is living another woman’s life.

Just four words were printed in the card. He doesn’t love you. I’ve been dreaming about this day - marrying Adam, my childhood sweetheart, who I’ve loved for 18 years. I didn’t realize the perfect day would turn into the perfect nightmare. I was so excited to send out the wedding invitations, carefully writing everyone’s names on thick cream paper in beautiful cursive script. I had no idea I was inviting someone to destroy our marriage. 

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.

Tia never harmed anyone. So why does someone want to destroy her? Tia is walking home with her children, along the lakeside of their quiet, safe town, when she realizes something is wrong with her five-year-old daughter, Rosie. She seems troubled, not at all her usual happy self. But when Tia finally coaxes Rosie to open up, she wishes she hadn’t. Because her sweet daughter asks a question Tia never thought she’d hear. "Mummy, why did you kill someone?"

Cassie stares at the woman on her doorstep in disbelief. Just months after losing her only son, Josh, here stands a stranger claiming to be Josh’s girlfriend. But it’s not only the woman Cassie is shocked by, it’s the baby nestled in Kim’s arms. Cassie’s grandchild. I know what you did. As Cassie tries to do what’s best for baby Samuel, she starts to receive threatening messages from someone from her past - someone Cassie has been hiding from for a long time.

Ellen was just trying to help a stranger. That was how it started: giving a few minutes respite to a flustered young mother sitting opposite her on the train. A few minutes holding her baby while the mother makes an urgent call. The weight of the child in her arms making Ellen's heart ache for what she can never have. Five minutes pass. Ten. The train pulls into a station and Ellen is stunned to see the mother hurrying away down the platform without looking back.

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?

It is Erin’s 40th birthday party. Pink and silver balloons drift through her garden, the platters of food are empty and the recycling is overflowing with empty wine bottles. Erin mingles with groups of family and friends, surrounded by love and laughter. Then a little red envelope lands on the doormat and everything changes. Inside is a birthday card from somebody she never dreamed would get in touch. Its message is a chilling reminder of the dark past that Erin has worked so hard to bury, a past that could put her precious family in terrible danger....

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.

A perfect family or a perfect lie? When Jo's teenage daughter goes missing, she feels like the world is collapsing around her. Has Grace been taken, or have recent tensions between mother and daughter driven her away? With little urgency from the police, who have dismissed Grace as a teenage runaway who will soon return home, Jo takes matters into her own hands. But as she gets closer to discovering what has happened to Grace, it looks like the Jo's deepest, darkest secret is about to be uncovered, and it could destroy everything she holds dear.

What was my sister doing standing over Florence’s cot in the middle of the night?I trust my sister, Carrie, with my daughter’s life. But then she’s accused of a terrible crime. Carrie lives under our roof, she pushes my daughter on the swings, she takes her out for ice cream. You might ask, why do I let her? Why would I risk my darling baby? How could I let my sister stay? Because I have a dangerous secret too. One that only Carrie knows about. And if that secret gets out, I could lose my little girl....

They say she’s guilty. She says she’s not. Who do you believe? "Help me! Help me, please!" When Jenna hears the cry in the park one night, she feels she has no choice but to run and help. Cradling the injured woman in her arms, the attacker nowhere to be seen, all Jenna wants is to keep her alive until the ambulance arrives and for the ordeal to be over. But the nightmare begins when the victim wakes up...Jenna’s relief turns to horror when the finger is pointed at her. There must be some mistake: She’s never seen the woman before in her life, and Jenna tried to save her life.