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. 

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. 

Stephen Aston is getting married again. The only problem is, he's still married to his first wife, even though she is in a care facility for dementia. But he'll take care of that easily, by divorcing her—even if his adult daughters protest. Tully and Rachel Aston look upon Heather as nothing but an interloper. Heather is the same age as Rachel and even younger than Tully. Clearly she's a gold digger and after their father's money. Heather has secrets that she's keeping close, and reasons of her own for wanting to marry Stephen.

Anna Forster, in the early stages of Alzheimer's disease at only 38 years old, knows that her family is doing what they believe to be best when they take her to Rosalind House, an assisted-living facility. She also knows there's just one another resident her age, Luke. What she does not expect is the love that blossoms between her and Luke even as she resists her new life at Rosalind House. As her disease steals more and more of her memory, Anna fights to hold on to what she knows, including her relationship with Luke.

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.

If Avery Chambers can’t fix you in 10 sessions, she won’t take you on as a client. Her successes are phenomenal—she helps people overcome everything from domineering parents to assault—and almost absorbs the emptiness she sometimes feels since her husband’s death. Marissa and Mathew Bishop seem like the golden couple—until Marissa cheats. She wants to repair things, both because she loves her husband and for the sake of their eight-year-old son. After a friend forwards an article about Avery, Marissa takes a chance on this maverick therapist.

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?

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.

The white-washed Italian villa is perfect. I thought it might feel odd, living in a stranger’s house for the summer, but as my husband and children swim in the infinity pool, I start to relax. And then, in the back of a wardrobe, I find something that shatters everything.... Sparkling green eyes, square jaw, lopsided smile. A young man with his arm around a beautiful woman. The picture is old and faded, but I’d recognize him anywhere. The man is my husband.

When Claire sees Hannah Wilson at an exclusive Manhattan hair salon, it's like a knife slicing through barely healed scars. It may have been 10 years since Claire last saw Hannah, but she has thought of her every day, and not in a good way. So Claire does what anyone would do in her position - she stalks her. Hannah is now Mrs. Carter, living the charmed life that should have been Claire's. It's the life Claire used to have before Hannah came along and took it all away from her.

Fresh off a bad breakup with a longtime boyfriend, Nantucket sweetheart Lizbet Keaton is desperately seeking a second act. When she’s named the new general manager of the Hotel Nantucket, a once Gilded Age gem turned abandoned eyesore, she hopes that her local expertise and charismatic staff can win the favor of their new London billionaire owner, Xavier Darling, as well as that of Shelly Carpenter, the wildly popular Instagram tastemaker who can help put them back on the map. 

Two women. Many aliases. Meg Williams. Maggie Littleton. Melody Wilde. Different names for the same person, depending on the town, depending on the job. She's a con artist who erases herself to become whoever you need her to be—a college student. A life coach. A real estate agent. Nothing about her is real. She slides alongside you and tells you exactly what you need to hear, and by the time she's done, you've likely lost everything.

Agatha is pregnant and works part time stocking shelves at a grocery store in a ritzy London suburb, counting down the days until her baby is due. As the hours of her shifts creep by in increasing discomfort, the one thing she looks forward to at work is catching a glimpse of Meghan, the effortlessly chic customer whose elegant lifestyle dazzles her. Meghan has it all: two perfect children, a handsome husband, a happy marriage, and a stylish group of friends, and she writes perfectly droll confessional posts on her popular parenting blog.

Shay Miller wants to find love, but it eludes her. She wants to be fulfilled, but her job is a dead end. She wants to belong, but her life is increasingly lonely. Until Shay meets the Moore sisters. Cassandra and Jane live a life of glamorous perfection, and always get what they desire. When they invite Shay into their circle, everything seems to get better. Shay would die for them to like her. She may have to. 

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.