The story follows the four Robicheaux sisters as they return home for their parents' wedding, at the beautiful Hotel Sorrento where they all grew up as children. For the first time in 15 years, the sisters are back together—and it doesn't take long for long-buried secrets to surface...

Meet the women of Delaney Gardens, a bustling suburban village in the outer reaches of Dublin. There's Cassie, who's spent her married life doing everything right for her children, husband, and mother-in-law yet feels so exhausted that "wine o'clock" comes a little earlier each afternoon. There's her sister, Coco, who runs a vintage dress shop but has avoided the complications of romantic commitment. Watching over them is their grandmother, Pearl, who, despite caring deeply for her family, is contending with a long-buried secret.

Sid wears her independence like armour. So when she strikes up a rare connection with unlucky-in-love Finn, they are both determined to prove that men and women can just be friends. Marin has the perfect home, attentive husband, two beloved children - and a secret addiction to designer clothes. She knows she has it all, so why can't she stop comparing herself to other women? Bea believes that we all have one love story - and she's had hers. Now her life centres around her son, Luke, and her support group of fierce single women. But there's something that she can't tell anyone.

Freya Abalone has a big, messy, wonderful family. She has an exciting career as a celebrity chef. She has a new home that makes her feel safe. But behind the happy front, Freya feels pulled in a hundred directions. Life has thrown Freya some lemons - and she's learned how to juggle! But she's keeping a secret from her family, and soon something is going to crashing down. All families have their struggles and strengths. So can Freya pull everyone - and herself - together when they need it most?

It all started with Paris. At the top of the Eiffel Tower, a young man proposes to his girlfriend. In that second everything changes - not just for the happy couple but for the family and friends awaiting their return in Ireland.

Alice Hunter is smarting from the raw deal life has thrown her way: suddenly single, jobless and forced to move home to her parents' tiny seaside town. And now she faces an uncomfortable truth. She wants her twin sister Libby's enviable life. Libby's closest friend Jess Dekic has been around the Hunter family for so long she might as well be blood. She's always considered herself a sister closer to Libby than Alice ever could be.

Madeline is a force to be reckoned with. She’s funny, biting, and passionate; she remembers everything and forgives no one. Celeste is the kind of beautiful woman who makes the world stop and stare, but she is paying a price for the illusion of perfection. New to town, single mom Jane is so young that another mother mistakes her for a nanny. She comes with a mysterious past and a sadness beyond her years. These three women are at different crossroads, but they will all wind up in the same shocking place.

Imagine that your husband wrote you a letter, to be opened after his death. Imagine, too, that the letter contains his deepest, darkest secret - something with the potential to destroy not just the life you built together, but the lives of others as well. Imagine, then, that you stumble across that letter while your husband is still very much alive....

Ellen O’Farrell is a professional hypnotherapist who works out of the eccentric beachfront home she inherited from her grandparents. It’s a nice life, except for her tumultuous relationship history. She’s stoic about it, but at this point, Ellen wouldn’t mind a lasting one. When she meets Patrick, she’s optimistic. He’s attractive, single, employed, and best of all, he seems to like her back. Then comes that dreaded moment: He thinks they should have a talk. Braced for the worst, Ellen is pleasantly surprised.

Sophie Honeywell always wondered if Thomas Gordon was the one who got away. He was the perfect boyfriend, but on the day he was going to propose, she broke his heart. A year later, he married his travel agent, while Sophie has been mortifyingly single ever since. Now, Thomas is back in her life because Sophie has unexpectedly inherited his aunt Connie's house on Scribbly Gum Island - home of the famously unsolved Munro Baby mystery.

Ria lived on Tara Road in Dublin with her dashing husband, Danny, and their two children. She fully believed she was happily married, right up until the day Danny told her he was leaving her to be with his young, pregnant girlfriend. By a chance phone call, Ria meets Marilyn, a woman from New England unable to come to terms with her only son's death and now separated from her husband. The two women exchange houses for the summer with extraordinary consequences, each learning that the other has a deep secret that can never be revealed.

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.

Tamila Soroush wanted it all. But in the Islamic Republic of Iran, dreams are a dangerous thing for a girl. Tami abandons them…until her twenty-seventh birthday, when her parents give her a one-way ticket to America, hoping she will “go and wake up her luck.” If they have their way, Tami will never return to Iran…which means she has three months to find a husband in America.

Three best friends, all with the same birthday, are about to turn 40. They plan to share this momentous occasion together at a summerhouse in Maine, taking stock of their lives and loves, their wishes and choices. But none of them expect the gift that awaits them at the summerhouse: the chance for each of them to turn their "what might have beens" into reality.

If opposites attract, Ellie and Dan are perfect for each other. She's impulsive; he follows all the rules. Ellie is a virtual orphan, whereas Dan's family is as close-knit as they come. At first, Ellie is thrilled to be accepted into the Cooper clan and embraces Dan's mom, Linda, as the mother she never had...until she begins to realize that Linda's "mothering" is far more intrusive than even the best daughter-in-law can handle.