At the intimate house-warming party for her glorious ‘grand design’, Kathleen confides in her best friend, Beth, that she is terrified of one of their close friends but daren’t reveal which one. The guests are a tight-knit group, but Kathleen is convinced one of them is dangerous. The next day Kathleen’s body is found at the foot of a cliff, and Beth must face the sickening truth that she may have been killed by one of their trusted friends. With little help from the police, Beth’s decides to seek answers.

Ava's life is the kind other people envy: loving husband, great kids, beautiful house. Until the night that a violent home invasion plunges her world into chaos. In the aftermath of the attack, Ava needs answers to two questions. Who has targeted her family? And why? But things aren't adding up. She is starting to suspect that she doesn't know the people closest to her. That someone knows more than they are letting on. That everything she thought she knew about them was a lie. Ava needs to know what happened that night.

Kate Sullivan has a beautiful home, a career that she loves and a handsome fiancé, Ben. When Becky, an old friend, reappears after 10 years, Kate is forced to confront her past. Old anxieties surface and threaten to derail her perfect life. Nonetheless, Kate invites Becky to move in with her and Ben, hoping to make amends with her former friend. But when their house guest starts behaving strangely, Kate worries that Becky hasn't forgotten or forgiven Kate's past mistakes.

A kidnap.... Matt Westbrook only turned his back for a moment. But when he looks around, his car - with his three young children inside - has vanished. A ransom.... Panicked, Matt assumes a car thief has got more than he bargained for, but then he starts to receive text messages: This is a kidnap. If you want to see your children again, you will exchange them for your wife.

When five-year-old Sofia is taken from the park, her mother, Carrie, is beside herself with worry. Carrie has a condition which means she struggles to read facial expressions, so she is terrified she missed something that put her daughter in danger. But just days later, Sofia is found unharmed. The police immediately suspect Josh, the man who found Sofia, but with no evidence against him they are forced to let him go without charges. Josh is keen to make sure Sofia is safe and well, and Carrie is charmed by his kindness.

Louise has had to watch her husband, Andrew, start a new family in the four years since he left her. The ‘other woman’ is now his wife - but Louise isn’t ready to let Caz enjoy the life that was once hers or to let go of the man she still loves. As Louise starts to dig into Caz’s past, the two women’s pretence of civility starts to slip. But in trying to undermine each other, they discover more about the man they both married. And when Andrew is murdered at a family party, both women are found standing over the body. It’s always the wife. But which one?

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. 

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.

It was a whirlwind romance. And when Drew, caught up in the moment, suggests that he and Poppy don’t tell each other anything about their past lives, that they live only for the here and now, for the future they are building together, Poppy jumps at the chance for a fresh start. But it doesn’t take long for Poppy to see that this is a two-way deal. Drew is hiding something from her. And Poppy suddenly has no idea who the man she has married really is, what he is hiding from her or what he might be capable of.  

Daniel is everything I ever dreamed of. A handsome, successful doctor who truly swept me off my feet. I can’t wait to get back from our honeymoon and begin our new lives together. Except, rather than taking us back to our flat, Daniel announces we are moving to a new house in a different city. And when we arrive, the house is fully furnished, with plates in the cupboard, pictures on the walls and new clothes in my closet. It’s like someone already lives here. It seems a bit strange. But I know Daniel is just trying to make sure our new life is perfect, right from the start.

To the outside world Hannah married the perfect man. Behind the closed doors of their imposing home it’s a very different story. Nathan controls everything Hannah does. He chooses her clothes, checks her receipts and keeps her passport locked away. But why does she let him? Years before, in the midst of a relentless storm, the tragic events of one night changed everything. And Hannah has been living with the consequences ever since. Keeping Nathan happy. Doing as she’s told. But the past is about to catch up with them.

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. 

Abby and Ellie were never close as children. Now in their thirties, they each harbour deep-rooted resentment for the other - Abby for her sister's looks and her status as their mother's favourite. Ellie meanwhile is envious of Abby's perfect husband and picturesque home, a villa on the sun-soaked Italian island of Elba. When Abby invites Ellie to stay, both sisters see the break as a chance to relax and put aside their differences. But with their mother Susanna there too, all the simmering tensions of the past quickly rise to the surface. 

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?

When I arrive unannounced at my husband's studio in need of a shoulder to cry on after hearing that my best student, Alex, has died, I see a pair of wineglasses drying by the sink, and my deepest fear is confirmed: my husband is having an affair. Most women would fall to their knees in tears and throw him out of the house - but I just can't bring myself to do it. Instead, I go home and cook a healthy dinner for our children, walk the dog, and unload the dishwasher without complaint. I need this marriage to work to protect a terrible secret of my own....