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...

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.

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.

Sasha has had it. She cannot bring herself to respond to another inane, “urgent” email or participate in the corporate employee joyfulness program. She hasn’t seen her friends in months. Sex? Seems like a lot of effort. Even cooking dinner takes far too much planning. Sasha has hit a wall. Armed with good intentions to drink kale smoothies, try yoga, and find peace, she heads to the seaside resort she loved as a child. But it’s the off season, the hotel is in a dilapidated shambles, and she has to share the beach with the only other occupant: a grumpy guy named Finn.

At 29, Claire is full of the joys of life - that is, until her husband leaves her on the day she gives birth to her baby. With a broken heart, a beautiful newly born and an expanding mirror image, she decides to visit her eccentric family in Dublin. There she starts to feel better. So much better, in fact, that James is in for a surprise when he decides to slither back into her life....

Nisha Cantor lives the globetrotting life of the seriously wealthy, until her husband announces a divorce and cuts her off. Nisha is determined to hang onto her glamorous life. But in the meantime, she must scramble to cope--she doesn’t even have the shoes she was, until a moment ago, standing in. That’s because Sam Kemp—in the bleakest point of her life—has accidentally taken Nisha’s gym bag. But Sam hardly has time to worry about a lost gym bag—she’s struggling to keep herself and her family afloat.

When Jessie left home at eighteen, she swore she’d never go back. But when life takes a turn for the complicated, she’s forced to move in with her twin, Isaac, and his two best friends. To her dismay, one of these is Elliot, the boy Jessie once loved, until his life was changed forever by a terrible accident that Jessie still blames herself for.

Lou is reeling from a triple whammy of shocks that have left her loveless, jobless and almost homeless. Staying for a night with an old friend in the Cotswold village of Foxwell, she lends a helping hand to a spectacularly ungrateful older man with a reputation in the village for being a 'character'. When Edgar makes a suggestion that would solve two out of three of Lou's problems in one fell swoop, it's hard to resist. Especially as the return to the village of the very attractive Remy—not that he's even noticed Lou!—makes it an unusually appealing place to live.

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.

I thought I was sorted on the life front. I was a heart surgeon with a loving partner and two gorgeous little girls. Except my husband’s version of "loving" is lying, cheating, and sleeping his way around London. Which means I definitely deserve a refund. Unfortunately, moving on isn’t that simple. Just because I know how to operate on a heart doesn’t mean I know how to fix my broken one. Plus, I lost the receipt for him years ago, so I’m definitely getting shortchanged. But now that I’m single, am I ready to mingle?

When Roisin and Joe join their friends for a weekend at a country house, it’s a triple celebration—a birthday, an engagement, and the launch of Joe’s shiny new TV show. But as the weekend unfolds, tensions come to light in the group and Roisin begins to question her own relationship. And as they watch the first episode of Joe’s drama, she realizes that the private things she told him—which should have stayed between them—are right there on the screen.

Determined to reevaluate her life, Jude Murray flees America to take refuge in Faerie Hill Cottage, immersing herself in the study of Irish folklore and discovering hope for the future of the magical past. Finally back home in Ireland after years of traveling, Aidan Gallagher possesses an uncommon understanding of his country’s haunting myths.

Meet Nell. Her life is a mess. When her business goes bust and her fiancé with it, Nell's happy ever after in California falls apart and she moves back to London to start over. But a lot has changed since she’s been gone. All her single friends are now married with children, a sky-high real estate market forces her to rent a room in a stranger’s house, and everyone has seemingly perfect Instagram-ready lives. Starting from scratch she feels like a f**k up . . . a forty-something f**k up.

When Serena is kicked out of her flat, an offer from her friend, Taylor, to house sit for her while she and her husband go travelling could not be better timing. But unfortunately for Serena she’s not the only one to have received this offer. Enter Ziggy: arrogant, messy musician, and friend of Taylor’s husband. Living with him is far from ideal, especially when he claims the best room, has loud parties - and the least said about his kitchen manner the better. There's just one solution for Serena – drive him out of the house by being twice as difficult to live with than he is!

Spending her thirtieth birthday alone is not what dating columnist Cleo Wilder wanted, but she plans a solo retreat―at the insistence of her boss―in the name of re-energizing herself and adding a new perspective to her column. The remote Irish island she’s booked is a far cry from London, but at least it’s a chance to hunker down in a luxury cabin and indulge in some self-care while she figures out the next steps in her love life and her career.