When Ralph and Abby Lamb move in with Ralph’s mother, Laura, Abby hopes it’s just what she and her mother-in-law need to finally connect. After a traumatic childhood, Abby is desperate for a mother figure, especially now that she and Ralph are trying to become parents themselves. Abby just has so much love to give—to Ralph, to Laura, and to Mrs. Bondy, her favorite resident at the long-term care home where she works. But Laura isn’t interested in bonding with her daughter-in-law. She’s venomous and cruel, especially to Abby, and life with her is hellish.

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.

On a beautiful summer night in a charming English suburb, a young woman and her boyfriend disappear after partying at the massive country estate of a new college friend. One year later, a writer moves into a cottage on the edge of the woods that border the same estate. Known locally as the Dark Place, the dense forest is the writer’s favorite place for long walks and it’s on one such walk that she stumbles upon a mysterious note that simply reads, “DIG HERE.”

When she stumbles across the ad, she’s looking for something else completely. But it seems like too good an opportunity to miss - a live-in nannying post, with a staggeringly generous salary. And when Rowan Caine arrives at Heatherbrae House, she is smitten - by the luxurious “smart” home fitted out with all modern conveniences, by the beautiful Scottish Highlands, and by this picture-perfect family. What she doesn’t know is that she’s stepping into a nightmare - one that will end with a child dead and herself in prison awaiting trial for murder.

Owen Pick’s life is falling apart. In his 30s and living in his aunt’s spare bedroom, he has just been suspended from his job as a teacher after accusations of sexual misconduct - accusations he strongly denies. Searching for professional advice online, he is inadvertently sucked into the dark world of incel forums, where he meets a charismatic and mysterious figure. Across the street from Owen lives the Fours family, headed by mom Cate, a physiotherapist, and dad Roan, a child psychologist. But the Fours family have a bad feeling about their neighbor Owen.

Alice, a novelist, meets Felix, who works in a warehouse, and asks him if he’d like to travel to Rome with her. In Dublin, her best friend, Eileen, is getting over a break-up, and slips back into flirting with Simon, a man she has known since childhood. Alice, Felix, Eileen, and Simon are still young—but life is catching up with them. They desire each other, they delude each other, they get together, they break apart.

Gemma Robinson comes into Elliot’s life like a whirlwind, and they marry and settle into his home. When she asks him if her parents can come to stay for a couple of weeks, he is keen to oblige - he just doesn’t quite know what he’s signing up for. The Robinsons arrive with Gemma’s sister, Chloe, a mysterious young woman who refuses to speak or leave her room.

Emily Proudman just lost her acting agent, her job, and her apartment in one miserable day. Scott Denny, a successful and charismatic CEO, has a problem that neither his business acumen nor vast wealth can fix. Until he meets Emily. Scott offers Emily a summer job as a housekeeper on his remote, beautiful French estate. Enchanted by his lovely wife Nina, and his eccentric young daughter, Aurelia, Emily falls headlong into this oasis of wine-soaked days by the pool. But soon Emily realizes that Scott and Nina are hiding dangerous secrets.

Teenager Edie Hudson was nobody’s little darling, which made vanishing all too easy. Two decades later, she’s been forgotten by everyone except her mother, Samantha. And the person who knows what happened to her. Samantha has had a long time to remember, and to regret. Having seen how little her daughter mattered to the community in the months following her disappearance, she wonders if Edie was lost before she was even gone. Or was it guilt, not indifference, that made the locals turn a blind eye? When she meets Frances, she at last starts to hope for answers.

Stella Wiseman was a child TV star, but there’s nothing glamorous about her life now. Alone in her thirties, she’s lost her parents and her friends and she’s stuck in a dead-end job. But just as she hits rock bottom she meets Marco, a charismatic older man who offers to get her back on her feet. He seems too good to be true. Is he? She appreciates the money he lavishes on her. And the pills. But are the pills just helping her sleep, or helping her avoid her problems?

Will and Rosie meet as teenagers. They're opposites in every way. She overthinks everything; he is her twin brother's wild and unpredictable friend. But over secret walks home and late-night phone calls, they become closer - destined to be one another's great love story. Until, one day, tragedy strikes, and their future together is shattered. But as the years roll on, Will and Rosie can't help but find their way back to each other. Time and again, they come close to rekindling what might have been.

For myself and Lauren, my 10-year-old daughter No 3 Beech Close was to be our refuge after two years of hell nursing my sick mother. In need of a fresh start and wanting to distance ourselves from the bad memories of my mother’s house we moved to Beech Close, a small cul-de-sac of six houses situated around a picture-perfect green. It seemed perfect but I had underestimated the secrets that this tightknit community shared. Within hours of moving in my next-door neighbour Valerie made it abundantly clear we were not welcome.

There's Bella, stay-at-home mum of Teddy. She suffered postpartum psychosis after Teddy's birth. There's Chrissy, divorce lawyer, married to Russell. They're having some problems with their sex life. There's Electra, mother to twins, who is struggling with her son's behaviour. There's Skye, a single mother, who used a sperm donor to have her baby. Then there's Jen. She was supposed to be a mother, but it hasn't worked out like she expected.

Will Hurley was an attractive, charming, and impressive student at Dublin's elite St. John's College - and Ireland's most prolific serial killer. Having stalked his five young victims, he drowned them in the muddy waters of the Grand Canal. Sentenced to life imprisonment when he was just 19, Will is locked away in the city's Central Psychiatric Hospital.

Me and Will. Will and Me. A perfect match. He said he would always be there for me, but it’s been a year since he drained his coffee, walked out the front door and vanished. Did he leave me? Or did something terrible happen? I’m scared someone finally found out about what happened on the drive home that night...I lie awake at night trawling the internet for rental properties, desperate for an escape. Until I see my husband’s gorgeous face smiling back at me from a photograph on the fireplace in someone else’s home, and something inside of me snaps....