Twenty-nine-year-old Katie Kelly is at an all-time low. By now she was supposed to have the perfect relationship and her dream career - but her boyfriend left her behind to travel the world, she’s sleeping on a friend’s sofa, and she’s working a temporary job... that she’s been in for two years.

When Evelyn Dooley married her high school sweetheart James, she thought she was set for life. Now she’s 28, single, and fleeing to Dublin from her hometown to avoid the gossip surrounding their breakup...all because of a test-your-relationship board game. This was not in her five-year plan. Then, a chance encounter with gorgeous musician, Danny, leads to an unlikely friendship, and soon the pair are running music nights together in one of the oldest pubs in Dublin.

While her friends join the 'Wife Club' one by one, Poppy feels like that part of her life is done and dusted. Already married and divorced she's not desperate to go through all that again. But what if her divorce never actually went through? After a shock revelation Poppy not only discovers she is still married, but that Zac is about to have his second wedding!

Mother of one and professional writer Saoirse is still adjusting to the demands of motherhood, four years after the birth of her daughter, Anna. Living in the claustrophobic London suburb of Woodvale, and being surrounded by passive-aggressive mum-wars, isn’t helping. Neither is her increasingly pent-up anger at her once-perfect husband. Her only comrade in arms, best friend Bea, is the one thing keeping her sane. When Saoirse’s agent asks her to pitch for a book, she is horrified to discover the topic is motherhood.

Twenty-nine-year-old Lily Buckley planned to be happily married and in her dream job by now. Instead, she’s been single since being left at the altar three years ago, and works at her local paper, writing stories about giant vegetables at the village fete and a dog who looks exactly like Chewbacca. Not quite what she was dreaming of. So when Lily’s allowed to write her own column it’s exactly what she’s always wanted - except there's a catch. She has to do one thing every week that scares her then write about it.

Sarah Anderson has never been more excited about anything in her life. She’s going to her best friend’s wedding. And not just any wedding. An Irish wedding. Goodbye New York, hello rolling green hills and men with beautiful accents and twinkling eyes. But Sarah should have known that not all guests are fairy-tale princes....

When seven-year-old Fran first met Will they knew instantly that they were made for each other. For 11 years they were inseparable, but then, at the age of 18, Will just upped and disappeared. Twenty-five years later Will is back. Is fate trying to give them a second chance? Still nursing the heartbreak from all those years ago, Fran is reluctant to give Will the time of day. The price Will must pay is to tell the truth - the truth about why he left, the truth about why he’s back.

Tiffy and Leon share an apartment. Tiffy and Leon have never met. After a bad breakup, Tiffy Moore needs a place to live. Fast. And cheap. But the apartments in her budget have her wondering if astonishingly colored mold on the walls counts as art. Desperation makes her open minded, so she answers an ad for a flatshare. Leon, a night shift worker, will take the apartment during the day, and Tiffy can have it nights and weekends. He'll only ever be there when she's at the office. In fact, they'll never even have to meet.

Lydia and Freddie. Freddie and Lydia. They’d been together for more than a decade and Lydia thought their love was indestructible. But she was wrong. On Lydia’s 28th birthday, Freddie died in a car accident. So now it’s just Lydia, and all she wants is to hide indoors and sob until her eyes fall out. But Lydia knows that Freddie would want her to try to live fully, happily, even without him. So, enlisting the help of his best friend, Jonah, and her sister, Elle, she takes her first tentative steps into the world, open to life - and perhaps even love - again.

Izzy doesn’t believe in love at first sight, but when Sam walks into the café where she works one winter’s morning, she knows without a doubt that he’s the one. Too bad Sam’s getting married. Today. Nearly a year later, Izzy still can’t stop thinking about Sam, the one that got away, but she knows it’s time to move on: He’s a married man and probably wouldn’t recognize her if he passed her on the street. But Sam has never forgotten Izzy, the funny, gorgeous woman who asked him out on his wedding day.

Some days Bee feels invisible. Most days Bee does not feel as if she is ‘living her best life’. Sure she has a loyal group of friends, a job she’s good at and a small London flat to call home, but a lot of the time, Bee feels as if no one actually ‘sees’ her. Her best friend, the unfeasibly handsome and successful Luca Donato, does not have that problem. People are practically falling over themselves whenever they see Luca, but one thing the two friends do have in common is they haven’t yet found the ‘One’.

Four years ago, Dylan and Addie fell in love under the Provence sun. Wealthy Oxford student Dylan was staying at his friend Cherry’s enormous French villa; wild child Addie was spending her summer as the on-site caretaker. Two years ago, their relationship officially ended. They haven’t spoken since. Today, Dylan’s and Addie’s lives collide again. It’s the day before Cherry’s wedding, and Addie and Dylan crash cars at the start of the journey there.

When overachiever Leena Cotton is ordered to take a two-month sabbatical after blowing a big presentation at work, she escapes to her grandmother Eileen's house for some long-overdue rest. Eileen is newly single and about to turn 80. She'd like a second chance at love, but her tiny Yorkshire village doesn't offer many eligible gentlemen. So they decide to try a two-month swap. But stepping into one another's shoes proves more difficult than either of them expected. Will swapping lives help Eileen and Leena find themselves...and maybe even find true love?

Carly Cooper is 30, single and after coming close to saying ‘I do’ to six different men, she’s wondering if she accidentally said ‘goodbye' to Mr Right. But there is a problem. Her ex-boyfriends are scattered all over the world and Carly lives in 1999: an era before Facebook, Google, smartphones, 4G and Broadband, when it was impossible to track people down with a few clicks of a mouse. On a mission to discover if she walked away from her 'happy ever after', Carly quits her job, her flat, her whole life and sets off on a quest to track down all the men she has ever loved.

It’s fair to say that Maddie’s life in London is far from rewarding. With a mother who spends most of her time in Ghana (yet still somehow manages to be overbearing), Maddie is the primary caretaker for her father, who suffers from advanced stage Parkinson’s. At work, her boss is a nightmare and Maddie is tired of always being the only Black person in every meeting.