Welcome to the most tumultuous summer of the 20th century. It's 1969, and for the Levin family, the times they are a-changing. Every year, the children have looked forward to spending the summer at their grandmother's historic home in downtown Nantucket. But like so much else in America, nothing is the same.

1950s Philadelphia: fifteen-year-old Ruby Pearsall is on track to becoming the first in her family to attend college. But a taboo love affair threatens to pull her back down into the poverty and desperation that has been passed on to her like a birthright. Eleanor Quarles arrives in Washington, DC, with ambition and secrets. When she meets the handsome William Pride at Howard University, they fall madly in love. But William hails from one of DC’s elite wealthy Black families, and his par­ents don’t let just anyone into their fold.

Years of trying unsuccessfully to conceive a child have broken more than Angie DeSaria’s heart. Following a painful divorce, she moves back to her small Pacific Northwest hometown and takes over management of her family’s restaurant. In West End, where life rises and falls like the tides, Angie’s fortunes will drastically change yet again when she meets and befriends a troubled young woman.

Growing up in 1950s Detroit, they live in a perfect “Dick and Jane” house, where their roles in the family are clearly defined. Jo is the tomboy, the bookish rebel with a passion to make the world more fair; Bethie is the pretty, feminine good girl, a would-be star who enjoys the power her beauty confers and dreams of a traditional life. But the truth ends up looking different from what the girls imagined. Jo and Bethie survive traumas and tragedies.

Blythe Connor is determined that she will be the warm, comforting mother to her new baby Violet that she herself never had. But in the thick of motherhood's exhausting early days, Blythe becomes convinced that something is wrong with her daughter - she doesn't behave like most children do. Or is it all in Blythe's head? Her husband, Fox, says she's imagining things. The more Fox dismisses her fears, the more Blythe begins to question her own sanity, and the more we begin to question what Blythe is telling us about her life as well.

Blindsided by her mother’s sudden death and wrecked by a recent love affair, Casey Peabody has arrived in Massachusetts in the summer of 1997 without a plan. Her mail consists of wedding invitations and final notices from debt collectors. A former child golf prodigy, she now waits tables in Harvard Square and rents a tiny, moldy room at the side of a garage where she works on the novel she has been writing for six years. At 31, Casey is still clutching onto something nearly all her old friends have let go of: the determination to live a creative life.

Twins Della and Darby Redd may be identical in appearance, but they couldn’t be more different. Della is outspoken, obsessed with purple, and desperate to be accepted by her peers. Darby is introverted, creative, and sees no need to speak to anyone besides her sister and grandmother, Birdie. Due to a tragedy from their past, all three women’s lives have been blanketed in judgment, scandal, and rumor, preventing them from experiencing true peace and contentment in their small town of Clay Station, Mississippi.

It's 1947. War's over, cherry-print dresses, parking above the city lights, swing dancing. Beautiful, 17-year-old Violet lives in a perfect world. Everybody loves her. In 2012, she's still beautiful, charming, and surrounded by admirers. Veronica "Ronni" Johnson, licensed practical nurse and aspiring writer, meets the captivating Violet in the assisted living facility where Violet requires no assistance, just lots of male attention. When she dies, she leaves Ronni a very generous bequest - only if Ronni completes a book about her life within one year.

Meet James Samuel Vincent, an affluent Manhattan attorney who shirks his modest Irish-American background but hews to his father’s meandering ways. James muddles through a topsy-turvy relationship with his son, Rufus, which is further complicated when Rufus marries Claudia Christie. Claudia’s mother - Agnes Miller Christie - is a beautiful African-American woman who survives a chance encounter on a Georgia road that propels her into a new life in the Bronx. Soon after, her husband, Eddie Christie, is called to duty on an air craft carrier in Vietnam.

Raised outside of Boston, Ivy’s immigrant grandmother relies on Ivy’s mild appearance for cover as she teaches her granddaughter how to pilfer items from yard sales and second-hand shops. Thieving allows Ivy to accumulate the trappings of a suburban teen - and, most importantly, to attract the attention of Gideon Speyer, the golden boy of a wealthy political family. But when Ivy’s mother discovers her trespasses, punishment is swift and Ivy is sent to China, and her dream instantly evaporates.

Though India Devlin left her hometown to pursue a brilliant career as a criminal prosecutor, she has always loved historic Devlin’s Light, visiting as often as her busy schedule permits. But when her brother is found murdered on the steps of the lighthouse - the town’s namesake - she returns to uncover who killed Ry. When her brother’s good friend, Nick Enright, offers to help in her investigation, India accepts - after all, he’s the one who found Ry that night, and heard his mysterious last words.

Seven years into her second marriage, Kate Nason discovered her husband was cheating on her. Then, the unimaginable happened. Kate woke to the news that one of her husband’s “other women” was involved with an American president. It was January of 1998. The press surrounded her home, clamoring for details and transformed Kate’s private heartbreak into public humiliation.

As German bombs fall over London in 1940, working-class parents Millie and Reginald Thompson make an impossible choice: they decide to send their eleven-year-old daughter, Beatrix, to America. There, she’ll live with another family for the duration of the war, where they hope she’ll stay safe. Scared and angry, feeling lonely and displaced, Bea arrives in Boston to meet the Gregorys. Mr. and Mrs. G, and their sons William and Gerald, fold Bea seamlessly into their world. She becomes part of this family, learning their ways and their stories, adjusting to their affluent lifestyle.

Shattered by the loss of her husband, Maggie struggled each day to put her grief behind her. To be there for her teenaged daughter. And to face life again. When she returned to her Wisconsin hometown, she never expected to feel a spark of longing for her old high school sweetheart. Eric's marriage to a career-driven woman had left him childless and unhappy - he knew there had to be more to life than always wanting what you couldn't have. Seeing Maggie again filled him with hope. Maybe the answer to his dreams had just come to town.

In the fall of 1957, Olivia McAlister is living in Opelika, Mississippi, caring for her two girls, June and Grace, and her husband, Holly. She dreams of living a much larger life - seeing the world and returning to her wartime job at a landing boat factory in New Orleans. As she watches over the birds in her yard, Olivia feels like an “accidental” - a migratory bird blown off course. When Olivia becomes pregnant again, she makes a fateful decision, compelling Grace, June, and Holly to cope in different ways.