Kirsten and Nick are enjoying a weekend away until, on their drive home, they accidentally run over and kill a man. They should call for help – but they have too much to lose, and no one can know the real reason they’re here. Instead, they make a split-second decision to conceal the accident. Amy and Greg have just celebrated their tenth wedding anniversary. Amy is expecting a baby, and they couldn’t be happier. So when Greg fails to come home from a dog walk one weekend, Amy knows the police are wrong to believe he left of his own accord.

Alice and Seth are a perfect love story: the handsome doctor and his beautiful fiancée. They’re wealthy, well liked and made for each other—the envy of all their friends. Alice can’t wait for the day of their dream wedding. But when she arrives at the altar, she doesn’t recognise the man waiting to marry her. When this stranger insists he’s Seth, her husband-to-be, the entire congregation seems to agree. Even her parents try to persuade Alice to go through with the wedding.

Celebrating her forty-fifth birthday at her local pub, popular podcaster Alix Summer crosses paths with an unassuming woman called Josie Fair. Josie, it turns out, is also celebrating her forty-fifth birthday. They are, in fact, birthday twins. A few days later, Alix and Josie bump into each other again, this time outside Alix’s children’s school. Josie has been listening to Alix’s podcasts and thinks she might be an interesting subject for her series. She is, she tells Alix, on the cusp of great changes in her life.

You whispered goodnight to your daughter. You didn’t know that would be your last goodbye. You wake up in the middle of the night. Your five-year-old daughter is gone. Your husband is nowhere to be seen. Your family think he took her. The police believe he’s guilty. But he wouldn’t do that, would he? He’s a loving father. A loving husband. Isn’t he?

When Rose’s old friend Elise suddenly arrives on her doorstep having just escaped a controlling marriage, she offers her a place to stay. But Elise wants more than a safe refuge, she wants Rose to help her get her daughter back, so that she can truly start afresh with five-year-old Daisy safely in her arms. Every little girl needs her mother, after all. Ready to insert herself into Elise’s old home, Rose gets a job as a teacher, home-schooling Daisy. But when Rose is asked to take the little girl and bring her to Elise, she gets cold feet. Elise’s behaviour is becoming increasingly erratic.

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?

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.'

Joanne knows how lucky she is—Richard is a wonderful husband, Evie is the most gorgeous baby girl, they live in a beautiful house—life couldn't be better. But then Richard's twenty-year-old daughter Chloe turns up. Chloe hasn’t spoken to her father since the day he married Joanne two years ago. But with the arrival of her baby sister Evie, Chloe wants to make peace. Richard is delighted, and since Joanne is struggling with the new baby, he suggests Chloe could move in and help.

It’s been six months since I woke up next to the body of the man I’d chatted to in a bar the night before. I still remember the metallic scent of his blood, the stillness of the room, and the panic that rose in my throat when I realized he was dead. I remember him buying cocktails. We talked. We went up to my room. And then...nothing. But I know I didn’t kill him.

Abby wants a baby more than anything. But after years of failed infertility treatments and adoptions that have fallen through, it seems like motherhood is not in her future. That is, until her personal assistant Monica makes a generous offer that will make all of Abby's dreams come true. But it turns out Monica isn't who she says she is. The woman now carrying Abby's child has an unspeakable secret. And she will stop at nothing to get what she wants.

When Anna Bradshaw wakes up in a hospital bed in London, she remembers nothing, not even her loving husband, Stephen. The doctors say her amnesia is to be expected, but Anna feels cut adrift from her entire life. In Bristol, Livvy Nicholson is newly married to Dominic and eager to get back to work after six months’ maternity leave. But when Dominic’s estranged mother appears, making a series of unnerving claims, Livvy is sucked into a version of herself she doesn’t recognise.

Zara has always felt a little ordinary next to her spirited best friend Ivy. Even her dreams seem mundane: a boyfriend, marriage, children. Besides, who would pick her when they could choose Ivy? So when Zara meets Henry and there's an instant spark, she can't believe her luck. A wealthy CEO who wants to settle down? He's perfect...until Ivy insists he's too good to be true.

My husband, James, and I love living on Smith Street, with its neat houses and friendly family barbecues. Our daughter, Scarlett, can play outside with the other local kids–it’s somewhere nothing bad could ever happen. Or so I thought....

Moving to Prospect Close has been everything I’d hoped for. In the city, Oliver and I barely saw each other, irritable at home and rushing around after the kids. But here, the neighbors have been so friendly and welcoming, and we’re now at barbeques and playdates every weekend, all together, as a family. It’s the type of life I always dreamed of. One that’s a million miles from...before. Not that Oliver would know anything about that.

I gaze at my husband’s once handsome face, so still and pale in the hospital bed. The doctors say I should keep talking. He might be able to hear me even after the terrible accident that left him fighting for his life. But all I have to whisper to my husband is this: "I know what you did."