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—news that 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 to answer questions about Michael and his past that she very much doesn’t want to answer.

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.”

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.

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.

Melville Heights is one of the nicest neighborhoods in Bristol, England. It’s the sort of place where doctors and lawyers and old-money academics live. It’s not the sort of place where people get stabbed in the back 30 times with a kitchen knife in their own homes. Someone must have seen something. Newlywed Joey Mullen, for example, recently returned from four years of working in Ibiza. She and her husband, Alfie, are eager to find a place of their own in her hometown. But Joey finds herself distracted by the man next door, Tom Fitzwilliam.

Late October. After midnight. You’re waiting up for your seventeen-year-old son. He’s late. As you watch from the window, he emerges, and you realize he isn’t alone: he’s walking toward a man, and he’s armed. You can’t believe it when you see him do it: your funny, happy teenage son, he kills a stranger, right there on the street outside your house. You don’t know who. You don’t know why. You only know your son is now in custody. His future shattered.

Years after an Easter weekend tragedy devastates a family, they return to the house they grew up in to unearth the many secrets hidden within the nooks and crannies of home. 

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.

Jess needs a fresh start. She’s broke and alone, and she’s just left her job under less than ideal circumstances. Her half brother, Ben, didn’t sound thrilled when she asked if she could crash with him for a bit, but he didn’t say no, and surely everything will look better from Paris. Only when she shows up—to find a very nice apartment, could Ben really have afforded this?—he’s not there. The longer Ben stays missing, the more Jess starts to dig into her brother’s situation, and the more questions she has.

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. 

April Clarke-Cliveden was the first person Hannah Jones met at Oxford. Vivacious, bright, occasionally vicious, and the ultimate It girl, she quickly pulled Hannah into her dazzling orbit. Together, they developed a group of devoted and inseparable friends—Will, Hugh, Ryan, and Emily—during their first term. By the end of the year, April was dead. Now, a decade later, Hannah and Will are expecting their first child, and the man convicted of killing April, former Oxford porter John Neville, has died in prison. 

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. 

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.

Molly Gray is not like everyone else. She struggles with social skills and misreads the intentions of others. Her gran used to interpret the world for her, codifying it into simple rules that Molly could live by. Since Gran died a few months ago, twenty-five-year-old Molly has been navigating life’s complexities all by herself. No matter—she throws herself with gusto into her work as a hotel maid. Her unique character, along with her obsessive love of cleaning and proper etiquette, make her an ideal fit for the job.

I only try on one of Nina’s pristine white dresses once. Just to see what it’s like. But she soon finds out...and by the time I realize my attic bedroom door only locks from the outside, it’s far too late. But I reassure myself: The Winchesters don’t know who I really am. They don’t know what I’m capable of....