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.

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.”

Early one morning on the shore of the Thames, DCI Samuel Owusu is called to the scene of a gruesome discovery. When Owusu sends the evidence for examination, he learns the bones are connected to a cold case that left three people dead on the kitchen floor in a Chelsea mansion thirty years ago. Rachel Rimmer has also received a shock—her husband, Michael, has been found dead in the cellar of his house in France. All signs point to an intruder, and the French police need her to come urgently to answer questions about Michael and his past that she very much doesn’t want to answer.

In a windswept British seaside town, single mum Alice Lake finds a man sitting on the beach outside her house. He has no name and no idea how he got there. Against her better judgment, she invites him inside. Meanwhile, in a suburb of London, 21-year-old Lily Monrose has been married for only three weeks. When her husband fails to come home from work one night, she is left alone in a place where she knows no one and with the police telling her that her husband never existed.

Gifted musician Clemency Thompson is playing for tourists on the streets of Southern France when she receives an urgent text message. Her childhood friend, Lucy, is demanding her immediate return to London. It’s happening, says the message. The baby is back. Libby Jones was only six months old when she became an orphan. Now 25, she’s astounded to learn of an inheritance that will change her life. A gorgeous, dilapidated townhouse in one of London’s poshest neighborhoods has been held in a trust for her all these years. Now, it’s hers.

When she was 9 years old, Melody Browne's house burned down, and it took all of her childhood memories with it. Now she's a single mother of a teenage boy living in Central London. She hasn't seen her parents since she left home at 15, but she doesn't mind. She's better off on her own. She works as a dinner lady at her son's school and has no idea where her humdrum life is heading. But one summer's night, a hypnotist inadvertently unlocks memories of her childhood, and her whole life is turned upside down.

Imagine that you live on a picturesque communal garden square, an oasis in urban London where your children run free, in and out of other people's houses. You've known your neighbors for years and you trust them. Implicitly. You think your children are safe. But are they really? On a midsummer night, as a festive neighborhood party is taking place, preteen Pip discovers her 13-year-old sister Grace lying unconscious and bloody in a hidden corner of a lush rose garden. What really happened to her?

Lydia, Dean, and Robyn live very different lives, but each of them, independently, has always felt that something was missing. What they don't know is that a letter is about to arrive that will turn their lives upside down. It's a letter containing a secret - one that will bind them together and show them what love and family and friendship really mean.

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.

In the early hours of a summer morning, a young woman steps into the path of an oncoming bus. A tragic accident? Or suicide? At the center of this puzzle is Adrian Wolfe, a successful architect and grief-stricken widower, who, a year after his third wife's death, begins to investigate the cause. As Adrian looks back on their brief but seemingly happy marriage, disturbing secrets begin to surface. The divorces from his two previous wives had been amicable, or so it seemed; his children, all five of them, were resilient as ever, or so he thought.

Shy and gawky, Ana has always daydreamed about living the life of her exotic half-sister Bee, a pop singer who had a number one hit single before she inexplicably vanished from the celebrity scene. When Bee turns up dead, Ana is dispatched to the big city to clear out her apartment. Instantly seduced by the second-hand glamour of Bee's baubles, bangles, and bottles of Pierre-Jouet, Ana takes up with Bee's wild club-hopping cronies.

Fifteen-year-old Ellie Mack was the perfect daughter. She was beloved by her parents, friends, and teachers. She and her boyfriend made a teenage golden couple. She was days away from an idyllic summer vacation, with her whole life ahead of her. And then she was gone. Now her mother, Laurel Mack, is trying to put her life back together.

Meet Jessica Jones: retired superhero, private investigator, loner. She tried her best to be a shiny spandex crimefighter, but that life only led to unspeakable trauma. Now she avoids that world altogether and works on surviving day-to-day in Hell’s Kitchen, New York. The morning a distraught mother comes into her office, Jessica would prefer to nurse her hangover and try to forget last night’s poor choices. But something about Amber Randall’s story strikes a chord with her. Amber is adamant that something happened to her teenage twins while they were visiting their father in the UK.

Brothers Tony, Sean, and Ned had the perfect upbringing, but now that they are grown-up, real life is starting to get in the way. Tony’s dealing with divorce and a weight problem, novelist Sean is up against a serious case of writer’s block and a shock announcement from his “perfect” new girlfriend, and their parents have a new lodger, Gervase. Why is Bernie, their mother, so keen to give this unsavory waif a home? And what is the real reason for kid brother Ned’s surprise return from his travels in Australia?

Ralph and Smith are flatmates and best mates - until, that is, the gorgeous Jemima moves in. Then suddenly, they're bickering about a lot more than who drank the last beer. Of course, Jem knows that one of them is the man for her - but is it Ralph or Smith? Upstairs, Karl and Siobhan have been happily unmarried for 15 years - until, that is, Cheri moves into the flat above theirs. Cheri's got her eye on Karl and doesn't see why she should let a little thing like his girlfriend stand in her way.... Sooner or later, it’s all got to come to a head.