After Lucy is found wandering the streets, covered in her best friend Savvy’s blood, everyone thinks she is a murderer. Lucy and Savvy were the golden girls of their small Texas town: pretty, smart, and enviable. Lucy married a dream guy with a big ring and an even bigger new home. Savvy was the social butterfly loved by all, and if you believe the rumors, especially popular with the men in town. It’s been years since that horrible night, a night Lucy can’t remember anything about, and she has since moved to LA and started a new life.

Now reduced to a schoolyard chant, the Hope family murders shocked the Maine coast one bloody night in 1929. While most people assume seventeen-year-old Lenora was responsible, the police were never able to prove it. Other than her denial after the killings, she has never spoken publicly about that night, nor has she set foot outside Hope’s End, the cliffside mansion where the massacre occurred.

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.

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.

Flight attendant Allegra Patel loves her job, but today is her twenty-eighth birthday and she’d rather not be placating a plane full of passengers unhappy about a long delay. There’s the well-dressed man in seat 4C desperate not to miss his daughter’s musical. A harried mother frantically tries to keep her toddler and baby quiet. Honeymooners still in their wedding finery dream of their new lives, while a chatty emergency room nurse dreams of retirement.

Sami Kierce, a young college grad backpacking in Spain with friends, wakes up one morning, covered in blood. There’s a knife in his hand. Beside him, the body of his girlfriend. Anna. Dead. He doesn’t know what happened. His screams drown out his thoughts—and then he runs. Twenty-two years later, Kierce, now a private investigator, is a new father who’s working off his debts by doing low level surveillance jobs and teaching wannabe sleuths at a night school in New York City. One evening, he recognizes a familiar face at the back of the classroom. Anna.

Sydney Shaw, like every single woman in New York, has terrible luck with dating. She’s seen it all: men who lie in their dating profile, men who stick her with the dinner bill, and worst of all, men who can't shut up about their mothers. But finally, she hits the jackpot. Her new boyfriend is utterly perfect. He's charming, handsome, and works as a doctor at a local hospital. Sydney is swept off her feet. Then the brutal murder of a young woman—the latest in a string of deaths across the coast—confounds police. The primary suspect? A mystery man who dates his victims before he kills them.

Tegan is eight months pregnant, alone, and desperately wants to put her crumbling life in the rearview mirror. So she hits the road, planning to stay with her brother until she can figure out her next move. But she doesn't realize she's heading straight into a blizzard. She never arrives at her destination. Stranded in rural Maine with a dead car and broken ankle, Tegan worries she's made a terrible mistake. Then a miracle occurs: she is rescued by a couple who offers her a room in their warm cabin until the snow clears. But something isn't right.

Two women. An office filled with secrets. One terrible crime that can't be taken back. Dawn Schiff is strange. At least, everyone thinks so at Vixed, the nutritional supplement company where Dawn works as an accountant. She never says the right thing. She has no friends. And she is always at her desk at precisely 8:45 a.m.

Newlyweds Tricia and Ethan are searching for the house of their dreams. But when they visit the remote manor that once belonged to Dr. Adrienne Hale, a renowned psychiatrist who vanished without a trace four years earlier, a violent winter storm traps them at the estate… with no chance of escape until the blizzard comes to an end. In search of a book to keep her entertained until the snow abates, Tricia happens upon a secret room. One that contains audio transcripts from every single patient Dr. Hale has ever interviewed.