It’s 2 AM on a Saturday night in the spring of 2001, and 28-year-old Cecily Gardner sits alone in a dive bar in New York’s East Village, questioning her life. Feeling lonesome and homesick for the Midwest, she wonders if she’ll ever make it as a reporter in the big city - and whether she made a terrible mistake in breaking up with her longtime boyfriend, Matthew.

The Kingsley family is American royalty, beloved for their military heroics, political service, and unmatched elegance. In 1967, after Joseph S. Kingsley, Jr. is killed in a tragic accident, his charismatic son inherits the weight of that legacy. But Joe III is a free spirit—and a little bit reckless. Despite his best intentions, he has trouble meeting the expectations of a nation, as well as those of his exacting mother, Dottie.

Growing up, Josie and Meredith Garland shared a loving, if sometimes contentious, relationship. Josie was impulsive, spirited, and outgoing, Meredith hardworking, thoughtful, and reserved. When tragedy strikes, their delicate bond splinters.

Tessa Russo is the mother of two young children and the wife of a renowned pediatric surgeon. Despite her own mother's warnings, Tessa has recently given up her career to focus on her family and the pursuit of domestic happiness. From the outside, she seems destined to live a charmed life. Valerie Anderson is an attorney and single mother to six-year-old Charlie - a boy who has never known his father.

Four freshmen arrive at college from completely different worlds: Lainey, a California party girl with a flair for drama; Tyson, a brilliant scholar and aspiring lawyer from Washington, D.C.; Summer, an ambitious, recruited athlete from the Midwest; and Hannah, a mild-mannered southerner who is content to quietly round out the circle of big personalities. Soon after arriving on campus, they strike up a conversation in their shared dorm, and the seeds of friendship are planted.

Ellen and Andy's first year of marriage doesn't just seem perfect, it is perfect. There is no question how deep their devotion is, and how naturally they bring out the best in each other. But one fateful afternoon, Ellen runs into Leo for the first time in eight years. Leo, the one who brought out the worst in her. Leo, the one who left her heartbroken with no explanation. Leo, the one she could never quite forget. When his reappearance ignites long-dormant emotions, Ellen begins to question whether the life she's living is the one she's meant to live.

Marian Caldwell is a 36-year-old television producer, living her dream in New York City. With a fulfilling career and satisfying relationship, she has convinced everyone, including herself, that her life is just as she wants it to be. But one night, Marian answers a knock on the door ... only to find Kirby Rose, an 18-year-old girl with a key to a past that Marian thought she had sealed off forever. From the moment Kirby appears on her doorstep, Marian’s perfectly constructed world - and her very identity - will be shaken to its core.

Rachel has always been a good girl--until her 30th birthday, when her best friend Darcy throws her a party. That night, after too many drinks, Rachel ends up in bed with Darcy's fiancé Dex. Rachel is horrified to discover that she has genuine feelings for Dex. She prays for fate to intervene, but when she makes a choice she discovers that the lines between right and wrong are blurry, endings aren't always neat, and you have to risk all to win true happiness.

First comes love. Then comes marriage. Then comes...a baby carriage? Isn’t that what all women want? Not so for Claudia Parr. And just as she gives up on finding a man who feels the same way, she meets warm, wonderful Ben. Things seem too good to be true when they fall in love and agree to buck tradition with a satisfying, child-free marriage. Then the unexpected occurs: one of them has a change of heart.

Single mom Ellen Fox couldn’t be more content - until she overhears her son saying he can’t go to his dream college because she needs him too much. If she wants him to live his best life, she has to convince him she’s living hers. So Unity Leandre, her best friend since forever, creates a list of challenges to push Ellen out of her comfort zone. Unity will complete the list, too, but not because she needs to change. What’s wrong with a 30-something widow still sleeping in her late husband’s childhood bed?

Once upon a time, when her dad married Sage’s mom, Daisy was thrilled to get a bright and shiny new sister. But Sage was beautiful and popular, everything Daisy was not, and she made sure Daisy knew it. Sage didn't have Daisy's smarts—she had to go back a grade to enroll in the fancy rich-kid school. So she used her popularity as a weapon, putting Daisy down to elevate herself. After the divorce, the stepsisters' rivalry continued until the final, improbable straw: Daisy married Sage's first love, and Sage fled California.

Eighteen months ago, Autumn Divac's husband went missing. Her desperate search has yielded no answers—she still has no idea where he went or why. After being happily married for twenty years, she can't imagine moving forward without him, but for the sake of their two teenage children, she has to try. Autumn takes her kids home for the summer to the charming beachside town where she was raised. She seeks comfort by working alongside her mother and aunt at their bookshop, only to learn that her daughter is facing a life change and her mother has been hiding a terrible secret.

To her adoring fans, Emmy Jackson, aka @the_mamabare, is the honest “Instamum” who always tells it like it is. To her skeptical husband, a washed-up novelist who knows just how creative Emmy can be with the truth, she is a breadwinning powerhouse chillingly brilliant at monetizing the intimate details of their family life.To one of Emmy’s dangerously obsessive followers, she’s the woman that has everything—but deserves none of it.

Annie Marlow has been through the worst. Rocked by tragedy, she heads to the one place that makes her happy: Oceanside in the Pacific Northwest, the destination of many family vacations when Annie was a teenager. Once there, Annie begins to restore her broken spirit, thanks, in part, to the folks she meets: a local painter, Keaton, whose large frame is equal to his big heart - and who helps Annie fix up her rental cottage by the sea; Mellie, the reclusive, prickly landlord Annie is determined to befriend; and Britt, a teenager with a terrible secret.

Eve, Justin, Susie, and Ed have been friends since they were teenagers. Now in their thirties, the four are as close as ever, Thursday night bar trivia is sacred, and Eve is still secretly in love with Ed. Maybe she should have moved on by now, but she can’t stop thinking about what could have been. And she knows Ed still thinks about it, too. But then, in an instant, their lives are changed forever.