Her missing daughter was just the start of the nightmare. Twenty years ago, Christine Donovan took a call she should have ignored while shopping. In those few seconds while her back was turned, her toddler, Heidi, was kidnapped. She's never been seen again. Despite having two other children with husband Greg, Christine remains guilt-stricken that her neglect caused her child to be stolen, while haunted by a secret that consumes her.

Two days ago, the Wilson family checked into the imposing, glass-fronted Lodge, surrounded by snow and perched perilously on the edge of a cliff looking out to a gray sea. Not everyone was looking forward to the family get-together. But mother-in-law Angela insisted the winter trip would help heal their rifts....

It’s hard meeting your ex after so much time apart. You remember the tears and accusations, the desperate look on his face as he punched the wall, but you try not to show it. You smile politely, even while your heart beats faster. You watch as he looks down into the stroller, at the beautiful blond-haired, blue-eyed baby kicking his little legs in the sunshine, whose innocent smile lights up your world. You see his face change. You know what he’s thinking. The next day he calls. His voice is shaking. He wants the truth. Is it his child?

The doorbell rings, just days after my beloved husband’s sudden death. I don’t recognise the woman on our doorstep, with her blonde highlights, a diamond bracelet identical to my own and a bouncing baby boy in her arms. As I show her inside, I notice her eyes grow wide as she takes in our spacious hallway, and the big squashy sofas that we all used to pile on. She glances at the silver-framed family photos and my little daughter hiding behind my skirts. She looks at me, her blue eyes serious. ‘I’m sorry’ she says. ‘I am your husband’s girlfriend. And this is his son.'

I open the creaking oak front door of my beautiful country house to see a stranger on my doorstep. The woman is stunning with glossy red hair and flawless make up. "Can I help you?" I ask. That was my first mistake. Alexis tells me she is a distant relative and shows me a DNA match on her phone. She has no family and would love to get to know us. My husband Hugh invites her in to join our dinner party. As we drink wine, she opens up about her sad childhood. Her amber eyes are mesmerizing, and I can see my husband is being drawn in by her story. Then she asks for our help.

Stacey and Felix are the glamorous owners of the stylish, modern Glass House, with its pool and floor-to-ceiling windows. Now they’re downsizing, but Stacey can’t sell to just anyone. She needs the right buyer, who will keep her secrets. Millie and Tom have always imagined living in the Glass House. Now it’s for sale. With property prices booming, if they can sell quickly, it could be theirs. But is the house and its charming owners all they seem? Harper and Kyle are moving up in the world.

It’s the holiday season and Harriet Reed, a novelist on the brink of literary stardom, is newly engaged to Edward Holbeck, the heir of an extremely powerful family. And even though Edward has long tried to sever ties with them, news of the couple’s upcoming marital bliss has the Holbecks inching back into their lives with one invite after another.

My husband is a doctor. He’s smart and charming, and everybody trusts him. Except me. On the surface, it looks like I have it all–the perfect marriage, the perfect husband, the perfect life. But it’s far from the truth. Doctor Drew Devlin is not the respectable figure he makes out to be. The reason we moved to this beautiful, old property with a gorgeous view of the sea was because we needed to put our past behind us. It should’ve been a fresh start for us both.

When Callie rents a beach cottage in Whitstable, she doesn't expect for its owner to be glamorous influencer Vanessa Lowe. Vanessa has it all. A beautiful home, a loyal husband, three perfect children, and a growing number of adoring online fans. Callie has long admired her world from afar. But when Vanessa invites her in, the closer Callie looks, the more she suspects that there's more to Vanessa than meets the eye. So when Vanessa's son disappears, Callie must question everything she knows.

As I sit in her dimly lit bedroom, surrounded by flickering candles, I feel the crushing weight of my daughter’s absence. It's been two years since Layla was murdered. The police have searched tirelessly for her killer, but they've found nothing – it's like whoever did it vanished into thin air. My once-perfect marriage is falling apart, we can hardly look at each other anymore. Our ten-year-old son Gale is struggling. He’s changed since she died. He’s more secretive and also…

Jake and I were childhood sweethearts. Strong, dependable, and with a smile that melts my heart, he is the perfect husband and father to our beautiful little daughter. We have our money troubles–but getting a lodger, Kara, calms the panic I feel about our bills. Jake is reluctant but what choice do we have?

When Megan discovers photographs of her estranged identical twin sister on her husband's phone, she wants answers. Leah already has everything Megan ever wanted. Fame, fortune, freedom to do what she wants. And when Megan confronts Leah, an argument turns to murder. The only way Megan can get away with killing her twin is to become her. But then lockdown hits. How can she continue living two lives? And what happens if someone else knows her secret?

Leila Syed receives a call that cleaves her life in two. Her brother-in-law’s voice is filled with panic. His son’s nursery has called to ask where little Max is. Leila was supposed to drop Max off that morning. But she forgot. Racing to the carpark, she grasps the horror of what she has done. What follows is an explosive, high-profile trial that will tear the family apart. But as the case progresses it becomes clear there’s more to this incident than meets the eye.

Alice has everything, I mean everything. A stunning suburban house, Instagram-perfect in its soft grey walls and textured neutrals. And then there's her handsome husband, with his flat stomach and that sexy sleeve of tattoos he keeps hidden for his well-paid job in the city. The PTA mamas can't stop staring at him, and who can blame them? And let's not forget her three adorable, well-behaved children. Meanwhile, here in Boston, I'm struggling to start a family with my husband Ollie. Our marriage is suffering, and I feel so isolated all the time.

From the moment I meet my new mother-in-law in her beautiful country house, she makes it clear I’m not welcome. Lilian Fletcher hates me for marrying her precious boy on a golden beach far away from her. Starting our marriage living in the Fletchers’ family home is a nightmare. Then I discover Seb was married before and his first wife is dead. I wonder why the man I love didn’t tell me the truth. And I wonder what happened to her: the woman who came before me. How did she die?