All their lives, Alice Stanhope and her daughter, Zoe, have been a family of two, living quietly in Northern California. Zoe has always struggled with crippling social anxiety, and her mother has been her constant and fierce protector. With no family to speak of and the identity of Zoe's father shrouded in mystery, their team of two works - until it doesn't. Until Alice gets sick and needs to fight for her life. Desperate to find stability for Zoe, Alice reaches out to two women who are practically strangers but who are her only hope: Kate, a nurse, and Sonja, a social worker.

From the outside, Essie’s life looks idyllic: a loving husband, a beautiful house in a good neighborhood, and a nearby mother who dotes on her grandchildren. But few of Essie’s friends know her secret shame: that in a moment of maternal despair, she once walked away from her newborn, asleep in her carriage in a park. Disaster was avoided, and Essie got better, but she still fears what lurks inside her, even as her daughter gets older and she has a second baby.

Neva Bradley, a third-generation midwife, is determined to keep the details surrounding her own pregnancy - including the identity of the baby's father - hidden from her family and co-workers for as long as possible. Her mother Grace finds it impossible to let this secret rest. The more Grace prods, the tighter Neva holds to her story, and the more the lifelong differences between private, quiet Neva and open, gregarious Grace strain their relationship.

From the moment Lucy met her husband's mother, Diana, she was kept at arm's length. Diana was exquisitely polite and properly friendly, but Lucy knew she was not what Diana envisioned. That was five years ago. Now, Diana is dead, a suicide note found near her body. Diana claims she no longer wanted to live because of a battle with cancer. But the autopsy finds no cancer. The autopsy does find traces of poison and evidence of suffocation.

Fern Castle works in her local library. She has dinner with her twin sister, Rose, three nights a week. And she avoids crowds, bright lights, and loud noises as much as possible. Fern has a carefully structured life, and disrupting her routine can be...dangerous. When Rose discovers that she cannot get pregnant, Fern sees her chance to pay her sister back for everything Rose has done for her. Fern can have a baby for Rose. She just needs to find a father. Simple.

There’s a cottage on a cliff. Gabe and Pippa’s dream home in a sleepy coastal town. But their perfect house hides something sinister. The tall cliffs have become a popular spot for people to end their lives. Night after night Gabe comes to their rescue, literally talking them off the ledge. Until he doesn’t. When Pippa discovers Gabe knew the victim, the questions spiral...Did the victim jump? Was she pushed?

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.

It is midnight on the morning of Halloween, and Jen anxiously waits up for her 18-year-old son, Todd, to return home. But worries about his broken curfew transform into something much more dangerous when Todd finally emerges from the darkness. As Jen watches through the window, she sees her funny, seemingly happy teenage son stab a total stranger.

Hollis Shaw, creator of the popular food blog, Hungry with Hollis, is shocked when her heart surgeon husband, Matthew, is killed in a one-car accident on a snowy morning. The cracks in Hollis’s perfect life—her strained marriage and her complicated relationship with her daughter, Caroline—grow deeper. So when Hollis hears about something called a “Five-Star Weekend”—one woman organizes a trip for her best friend from each phase of her life: her teenage years, her twenties, her thirties, and midlife—she decides to host her own Five-Star Weekend on Nantucket.

Nisha Cantor lives the globetrotting life of the seriously wealthy, until her husband announces a divorce and cuts her off. Nisha is determined to hang onto her glamorous life. But in the meantime, she must scramble to cope--she doesn’t even have the shoes she was, until a moment ago, standing in. That’s because Sam Kemp—in the bleakest point of her life—has accidentally taken Nisha’s gym bag. But Sam hardly has time to worry about a lost gym bag—she’s struggling to keep herself and her family afloat.

Two days ago, the Wilson family checked into the imposing, glass-fronted Lodge, surrounded by snow and perched perilously on the edge of a cliff looking out to a gray sea. Not everyone was looking forward to the family get-together. But mother-in-law Angela insisted the winter trip would help heal their rifts....

The doorbell rings, just days after my beloved husband’s sudden death. I don’t recognise the woman on our doorstep, with her blonde highlights, a diamond bracelet identical to my own and a bouncing baby boy in her arms. As I show her inside, I notice her eyes grow wide as she takes in our spacious hallway, and the big squashy sofas that we all used to pile on. She glances at the silver-framed family photos and my little daughter hiding behind my skirts. She looks at me, her blue eyes serious. ‘I’m sorry’ she says. ‘I am your husband’s girlfriend. And this is his son.'

A kid walks into your bookstore and says to you, Guess what? I'm your son. The one you put up for adoption seventeen years ago. The one you never told anyone about. Surprise! His name is Matthew Walker, and he's come to spend the summer on the Cape with his parents. Why? Well, he wants to meet you before he heads off to college in the fall. Tiny detail—he didn't tell his adoptive parents about his plan. And while you hoped this day would come someday, you're so stunned, you actually faint.

In 1998, the American Jorgenson family had been on a year-long road trip in Australia. One humid, storming night, the mother - Elsa Jorgenson - vanished in an isolated stretch of Australian everglades. Elsa was never seen again. That night, twelve-year-old Lily Jorgenson was left alone and terrified in the family camper—even her teenage sister Iris is missing. When Iris comes racing back through the rain, she refuses to tell where she’s been. Lily is certain her sister is hiding a dark secret.

When Eden was 10 years old she found her father, David, bleeding on the bathroom floor. The suicide attempt led to her parents’ divorce, and David all but vanished from Eden’s life. Twenty years later, Eden runs a successful catering company and dreams of opening a restaurant. Since childhood, she has heard from her father only rarely, just enough to know that he’s been living on the streets and struggling with mental illness.