Hannah has done everything to make sure her life is safe and secure. A long way from her unstable childhood growing up in foster care, she’s content with her sweet, little, messy apartment and her satisfying job as a social worker. She quietly worries that, aged 36, she might never fall in love. But otherwise her life is where she wants it to be. Until, encouraged by her best friend to join a dating app, she meets Alex. He’s irresistibly handsome. He loves the same music as her. The same food as well. 

Sasha North has gone missing. Everyone says she's run away, but I know better. We've been best friends since we were teenagers, since Sasha swept into the neighbourhood and brought colour to my life. Until a brutal attack changed both our lives forever.

Ava only left her daughter in the pushchair for five minutes. The buckle was fastened, and she was sure it was safe. But when she came downstairs, the door was open and Abi was gone - she walked down the road, past the Lovegoods' house, and was never seen again. A year later, the Lovegoods throw a housewarming party, showing off the results of their renovation. Ava doesn’t want to go. She can’t bear to look down that end of the road, to see the place where Abi vanished, and she doesn’t want to spend time with people who don’t share her grief. 

Clare is ready for a break. It's been a tough year and now she wants to put her feet up. Arriving at the Italian villa for their summer holiday, she decides it's high time her husband and his family did some of the work. After all, her husband owes her.... Now her brother-in-law Jamie has brought a wife, someone none of them have met before. Ella is everything Clare isn't. Glamorous. Young. Influential. But she knows a secret about Clare. Something that has the power to break the whole family apart.

Her Saturday night started normally. Recently separated from her husband, Ali has been persuaded by her friends to go on a date with a new man. She is ready, she is nervous, and she is excited. She is about to take a step into her new future. By Sunday morning, Ali’s life is unrecognizable. She wakes, and she knows that something is wrong. She is home, she is alone, she is hurt, and she has no memory of what happened to her. 

Lucy has a kind and adoring husband, a job she loves as a teacher, and a house on Mulberry Avenue with floaty curtains and the softest bed linen. After her troubled childhood, she knows life will never be perfect, but it’s pretty close. She’s also got Amber, right next door. They never run out of things to talk about. Even if Amber’s life - with her high-profile job and handsome, wealthy boyfriend - is more glamorous than Lucy’s, they share a down-to-earth sense of humor. But then Amber starts to hint that her life isn’t all it seems....

When Jessica Farris signs up for a psychology study conducted by the mysterious Dr Shields, she thinks all she’ll have to do is answer a few questions, collect her money and leave. But as the questions grow more and more intense and invasive, and the sessions become outings where Jess is told what to wear and how to act, she begins to feel as though Dr Shields may know what she’s thinking...and what she’s hiding. As Jess’ paranoia grows, it becomes clear that she can no longer trust what is real in her life and what is one of Dr Shields’ manipulative experiments.

Newly divorced Jo is delighted to move into her best friend’s spare room almost rent-free. The high-tech luxury Camden flat is managed by a meticulous home assistant, called Electra, that takes care of the heating, the lights - and sometimes Jo even turns to her for company. Until, late one night, Electra says one sentence that rips Jo’s fragile world in two: ‘I know what you did’. And Jo is horrified. Because in her past she did do something terrible. Something unforgivable.

Janey Markham is thrilled to be moving with her family to Buckingham Crescent, the smartest address in a desirable suburban town. Worried she’ll be excluded by the glossy local mothers, Janey is thrilled when she meets Tanya, the kind of woman she has always looked up to. Tanya takes Janey under her wing and her teenage daughter, Angel, is amazing with Janey’s little boy. As Janey and Tanya grow closer, Janey feels she can finally leave her troubled past behind.  

When a woman is murdered in Blackdown village, newsreader Anna Andrews is reluctant to cover the case. Anna’s ex-husband, DCI Jack Harper, is suspicious of her involvement, until he becomes a suspect in his own murder investigation. Someone is lying, and some secrets are worth killing to keep.

The perfect marriage? Or the perfect lie? Jack has looks and wealth; Grace has charm and elegance. You might not want to like them, but you do. You'd like to get to know Grace better. But it's difficult, because Jack and Grace are never apart. Some might call this true love. Others might ask why Grace never answers the phone. And why there are bars on one of the bedroom windows. Sometimes the perfect marriage is the perfect lie.

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?"

Leah’s perfect marriage isn’t what it seems, but the biggest lie of all is that she’s learned to live with what happened all those years ago. Marie drinks a bit too much to help her forget. And Carly has never forgiven herself for not keeping them safe. 

What do you do when you can't run and you can't hide? Lauren's daughter, Zara, witnessed a terrible crime. But speaking up comes with a price, and when Zara's identity is revealed online, it puts a target on her back. The only choice is to disappear. To keep Zara safe, Lauren will give up everything and everyone she loves, even her husband. There will be no goodbyes. Their pasts will be rewritten. New names, new home, new lives. The rules are strict for a reason. They are being hunted. One mistake - a text, an Instagram like - could bring their old lives crashing into the new.

January 1992. A baby girl is left alone for a moment. Long enough for a mother to dash into a shop. Long enough for a child to be taken. Thirteen years later, solicitor Robert Knight's stepdaughter wins a place at a prestigious London school for the gifted. The only puzzle is his wife Erin's reaction. Why is she so reluctant to let Ruby go? Doesn't she want what's best for her? As Erin grows more evasive, Robert can't help but feel she has something to hide and when he stumbles on mysterious letters, he discovers she has been lying to him.