For Ivy, summer means roller-coaster season, spinning cotton candy at the Fabuland amusement park, and hanging out with her best friend, Morgan. But this summer is different. One morning, Morgan finds a dead body. It's their former classmate and coworker Ethan. To make matters worse, Morgan is taken to a hospital psych ward only days later, and she's not saying much - not even to Ivy. The police claim that Ethan simply took a bad fall, but Ivy isn't convinced and realizes it's up to her to get answers. 

At 32 Russell Green has it all: a stunning wife, a lovable six-year-old daughter, a successful career as an advertising executive, and an expansive home in Charlotte. He is living the dream, and his marriage to the bewitching Vivian is the center of that. But underneath the shiny surface of this perfect existence, fault lines are beginning to appear, and no one is more surprised than Russ when he finds every aspect of the life he took for granted turned upside down.

Nina Browning is living the good life after marrying into Nashville's elite. More recently, her husband made a fortune selling his tech business, and their adored son has been accepted to Princeton. Yet sometimes the middle-class small-town girl in Nina wonders if she's strayed from the person she once was. Tom Volpe is a single dad working multiple jobs while struggling to raise his headstrong daughter, Lyla. His road has been lonely, long, and hard, but he finally starts to relax after Lyla earns a scholarship to Windsor Academy, Nashville's most prestigious private school.

The irascible A. J. Fikry, owner of Island Books - the only bookstore on Alice Island - has already lost his wife. Now his most prized possession, a rare book, has been stolen from right under his nose in the most embarrassing of circumstances. The store itself, it seems, will be next to go. One night upon closing, he discovers a toddler in his children’s section with a note from her mother pinned to her Elmo doll: I want Maya to grow up in a place with books and among people who care about such kinds of things. I love her very much, but I can no longer take care of her.

Grace Reinhart Sachs is living the only life she ever wanted for herself. Devoted to her husband, a pediatric oncologist at a major cancer hospital, their young son Henry, and the patients she sees in her therapy practice, her days are full of familiar things: She lives in the very New York apartment in which she was raised, and sends Henry to the school she herself once attended. Dismayed by the ways in which women delude themselves, Grace is also the author of a book You Should Have Known, in which she cautions women to really hear what men are trying to tell them.

When Lauren and Ryan's marriage reaches the breaking point, they come up with an unconventional plan. They decide to take a year off in the hopes of finding a way to fall in love again. One year apart and only one rule: They cannot contact each other. Aside from that, anything goes.

Catherine, busy working with refugee and immigrant women through her small firm, Babylon Sisters, has taken on a powerful new client. She doesn't have much time for Phoebe's complicated questions of paternity - that is, until Phoebe's real father, B. J., a renowned investigative reporter, shows up in town to work on a story connected to Catherine.

Wife. Mother. Breadwinner. Penelope Ruiz-Kar is doing it all - and barely keeping it together. Meanwhile, her best friend, Jenny Sweet, appears to be sailing through life. As close as the two women are, Jenny’s passionate marriage, pristine house, and ultra-polite child stand in stark contrast to Penelope’s underemployed husband, Sanjay, their unruly brood, and the daily grind she calls a career.

Elizabeth Hampton is consumed by grief when her mother dies unexpectedly. Leslie Hampton cared for Ronnie, Elizabeth's troubled brother with special needs, assuming Elizabeth would take him in when the time came. But Leslie's sudden death propels Elizabeth into a world of danger and double lives that undoes everything she thought she knew. When the police discover that Leslie was strangled, they immediately suspect that one of Ronnie's outbursts took a tragic turn.

Hanna Schutt never suspected that her younger daughter's happiness would lead to her husband's death and the destruction of their family. When Dawn brings her new boyfriend home from college for a visit, her parents and sister try to hide their doubts because they're glad that Dawn--always an awkward child--appears to have grown into a confident, mature young woman in her relationship with Rud.

At 63, former jazz musician Wade Lovett finds himself something of a trailer park Lothario carrying on affairs with three different women. But when circumstances prompt Carol Smitzky to make a compelling case for a marriage arrangement, he agrees. The next morning, he visits girlfriend number two, Peggy MacCallister, to tell her the news - and finds her lying dead on her kitchen floor.

Isidore Mazal is 11 years old, the youngest of six siblings living in a small French town. He doesn't quite fit in. Isidore has never skipped a grade or written a dissertation. But he notices things the others don't, and asks questions they fear to ask. So when tragedy strikes the Mazal family, Isidore is the only one to recognize how everyone is struggling with their grief, and perhaps the only one who can help them - if he doesn't run away from home first.

When celebrated and respected agent Fritz Hudson passes away, he leaves a trail of Hollywood glory in his wake - and two separate families who never knew the other existed. Allie and Des Hudson are products of Fritz's first marriage to Honora, a beautiful but troubled starlet whose life ended in a tragic overdose. Meanwhile, Fritz was falling in love on the Delaware Bay with New Age hippie Susa Pratt - they had a daughter together, Cara, and while Fritz loved Susa with everything he had, he never quite managed to tell her or Cara about his West Coast family.

When an explosion rips apart a Chicago building, the lives of three women are forever altered. A year later, Cecily is in mourning. She was supposed to be in the building that day. Instead, she stood on the street and witnessed it going down, with her husband and best friend inside. Kate, now living thousands of miles away, fled the disaster and is hoping that her past won’t catch up with her. And Franny, a young woman in search of her birth mother, watched the horror unfold on the morning news, knowing that the woman she was so desperate to reconnect with was in the building.

People are drawn to libraries for all kinds of reasons. Most come for the books themselves, of course; some come to borrow companionship. For head librarian Kit, the public library in Riverton, New Hampshire, offers what she craves most: peace. Here, no one expects Kit to talk about the calamitous events that catapulted her out of what she thought was a settled, suburban life. She can simply submerge herself in her beloved books and try to forget her problems. But that changes when 15-year-old, home-schooled Sunny gets arrested for shoplifting a dictionary.