It hits her: the same strange smell that’s been following her for weeks, and the shadow of an image slides into her mind, but is gone just as quickly. Gripped by an ice-cold fear, in that one terrible moment, she realises: it’s not a dream she’s remembering. It’s something that actually happened. 

Clare and Lorraine have been friends since college and trust each other with their lives. So when Lorraine, a single mother, needs a much-needed night away without her children, she calls on Clare and her husband, Sam, to look after them. They're godparents - what could go wrong? While Clare and Sam believe the children to be asleep, the unimaginable happens and Clare finds baby Theo lifeless in his room. The police are called. Statements are taken. But the biggest nightmare for any parent is about to spiral out of control. Because a lie has been told. An enormous and terrible one. 

Ed and Kerry Huntington-Barnes have an idyllic life, with their 5-year-old twins, successful careers, a luxurious house and an affluent lifestyle. Yet the secrets they’re harboring force their separation. Kerry is fighting her own demons, amongst which is the knowledge that she is the wrong gender for her husband to ever truly love her. Parallel to this it the death of a local man, Russell Lawson, which affects both Ed and Kerry in different ways. 

Charlotte Morgan knows how it feels to desperately want a baby. As a child, seeing her mum devastated by losing her longed-for babies, Charlotte wished another woman could give her mother what she so craved. Now Charlotte’s a mum herself and knowing how much love her daughter, Alice, brings into her life, she vows to help others achieve their dreams of becoming a parent. When she meets Malcolm and Brenda on a surrogacy website, it seems she's found the perfect couple. In their late 40s, they have wealth and an enviable life, but there’s one thing missing – a child of their own.

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. 

Erin lives an idyllic life by the seaside with her baby boy and handsome Australian fiancé. She's upbeat and happy - a natural mum. At least that's what her thousands of followers on Instagram think. In the real world, Erin is struggling with anxiety and finding it difficult to connect with her screaming son. So when a famous agent offers to make her the biggest instamum out there, she's over the moon. 

When Loren meets Jack, she’s sure he’s the man she’s been waiting for - a perfect husband and father for her young daughter. Shortly after their wedding, their plans to start a life together are put on hold when the couple receives word that Jack’s father has died. In an effort to appease her new husband, Loren invites her mother-in-law, Coralee, to stay with them while she grieves. When strange things begin to occur just after her arrival, Loren questions how much she knows about the woman she invited into her home.

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 Freya first met Phil, she thought he was the man of her dreams. He bought her roses every week, booked surprise trips to sun-soaked destinations, and showed her affection like she’d never experienced before. But over time the dream had become a violent nightmare. And now Freya is packing her bags, knowing it’s time she escaped their increasingly broken marriage. But then Freya gets a visit from the police. Phil’s been in a horrific car crash and - as he comes around - it becomes clear that he remembers nothing since their blissful honeymoon two years before.

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. 

The perfect husband...After a difficult pregnancy, Esther is grateful that her forward-thinking husband, Robin, offers to put his career on hold so that she can return to the job she loves. The perfect father...Robin flourishes in his new role of stay-at-home parent, but Esther finds leaving her daughter behind to go to work more challenging than she'd thought, and soon the imbalance in their relationship brings old tensions to the surface. A perfect lie? Then one day Esther arrives home from work to find Robin and Riley are missing. 

The phone rings. What Eva doesn’t realize is that the call will signal the end of what she knows to be true. The end of trusting her family. And the end of everything keeping her safe. The phone call is from a hospital hundreds of miles away. A woman has been admitted with a serious head injury, saying she’s Eva’s older sister. A sister Eva never knew she had. Whose name - Nancy - has never once been mentioned by her parents. It seems impossible. Could the two people who brought Eva up have lied to her for her whole life?

Emma and Dele’s dreams came true nine years ago when they adopted their daughter, Isla. It felt like fate, like they were meant to find each other, and now they’re living the life they always wanted. But then one day a new family moves into Forest Grove - and Emma can’t shake the chilling feeling that the wife looks just like Isla’s birth mother. Emma tells herself that this sophisticated stranger can’t possibly be the troubled woman she remembers from the adoption. But as they get to know each other, it becomes clear that Tatjana has a special interest in Isla.

Susan and Sarah. Sisters. Best friends. Together...forever? Nothing could break them apart. Until they meet him. And he can only choose one.... Now Susan is back. Determined to reclaim everything Sarah has taken from her. Her home, her husband...her life?

Julia Blythe is starting again. After blowing the whistle on a fellow surgeon at her hospital, resulting in him being let go, she found herself illegally bullied from the job by her male colleagues who closed ranks against her. No longer willing to endure their campaign of smears and intimidation, she packs her family up and moves to Devon, to start a new life in a new hospital. To Nathan Sloan, who abuses his role as a surgeon as fully and freely as he can, she couldn’t be more perfect.