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. 

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 area for long walks and it’s on one such walk that she stumbles upon a mysterious note that simply reads, “Dig here.”

Alicia Berenson’s life is seemingly perfect. A famous painter married to an in-demand fashion photographer, she lives in a grand house with big windows overlooking a park in one of London’s most desirable areas. One evening, her husband, Gabriel, returns home late from a fashion shoot, and Alicia shoots him five times in the face and then never speaks another word. Alicia’s refusal to talk, or give any kind of explanation, turns a domestic tragedy into something far grander, a mystery that captures the public imagination and casts Alicia into notoriety.

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.

Shelby Tebow is the first to go missing. Not long after, Meredith Dickey and her six-year-old daughter, Delilah, vanish just blocks away from where Shelby was last seen, striking fear into their once-peaceful community. Are these incidents connected? After an elusive search that yields more questions than answers, the case eventually goes cold. Now, 11 years later, Delilah shockingly returns. Everyone wants to know what happened to her, but no one is prepared for what they'll find....

Before Owen Michaels disappears, he smuggles a note to his beloved wife of one year: Protect her. Despite her confusion and fear, Hannah Hall knows exactly to whom the note refers - Owen’s 16-year-old daughter, Bailey. Bailey, who lost her mother tragically as a child. Bailey, who wants absolutely nothing to do with her new stepmother.

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. 

Lowen Ashleigh is a struggling writer on the brink of financial ruin when she accepts the job offer of a lifetime. Jeremy Crawford, husband of best-selling author Verity Crawford, has hired Lowen to complete the remaining books in a successful series his injured wife is unable to finish. Lowen arrives at the Crawford home, ready to sort through years of Verity's notes and outlines, hoping to find enough material to get her started. What Lowen doesn't expect to uncover in the chaotic office is an unfinished autobiography Verity never intended for anyone to read.

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. 

The Delaneys are fixtures in their community. The parents, Stan and Joy, are the envy of all of their friends. They’re killers on the tennis court, and off it their chemistry is palpable. But after 50 years of marriage, they’ve finally sold their famed tennis academy and are ready to start what should be the golden years of their lives. So why are Stan and Joy so miserable?

Everyone knows a couple like Jack and Grace. He has looks and wealth; she has charm and elegance. He's a dedicated attorney who has never lost a case; she is a flawless homemaker, a masterful gardener and cook, and dotes on her disabled younger sister. Though they are still newlyweds, they seem to have it all. You might not want to like them, but you do. You're hopelessly charmed by the ease and comfort of their home, by the graciousness of the dinner parties they throw. You’d like to get to know Grace better.

Erin is a documentary filmmaker on the brink of a professional breakthrough, Mark a handsome investment banker with big plans. Passionately in love, they embark on a dream honeymoon to the tropical island of Bora Bora, where they enjoy the sun, the sand, and each other. Then, while scuba diving in the crystal blue sea, they find something in the water....

On an island off the coast of Ireland, guests gather to celebrate two people joining their lives together as one. The groom: handsome and charming, a rising television star. The bride: smart and ambitious, a magazine publisher. It’s a wedding for a magazine or for a celebrity: the designer dress, the remote location, the luxe party favors, the boutique whiskey. The cell phone service may be spotty and the waves may be rough, but every detail has been expertly planned and will be expertly executed.

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.