Celebrating her forty-fifth birthday at her local pub, popular podcaster Alix Summer crosses paths with an unassuming woman called Josie Fair. Josie, it turns out, is also celebrating her forty-fifth birthday. They are, in fact, birthday twins. A few days later, Alix and Josie bump into each other again, this time outside Alix’s children’s school. Josie has been listening to Alix’s podcasts and thinks she might be an interesting subject for her series. She is, she tells Alix, on the cusp of great changes in her life.

For Sam Lovell, organising the summer festival in her hometown is one of the highlights of her year. It’s not always smooth sailing, but she loves to see Porthmellow’s harbour packed with happy visitors and being on the committee has provided a much-needed distraction from the drama in her family life (and the distinct lack of it in her love life). When their star guest pulls out with only a few weeks to go, everyone’s delighted when a London chef who grew up locally steps in at the last minute.

The truth changes everything. For years Jess believed that Joe - the father of her child and the only man she ever loved - had abandoned her during her greatest time of need. That belief nearly destroyed her. Seventeen years later, when cleaning out her mother’s house, Jess unpacks a box of cards and letters hidden in the attic and makes a discovery that changes everything about life as she knows it. Shaken but empowered, Jess - and her two stalwart best friends - set out on a remarkable journey to follow a set of faded postmarks around the world.

Owen Pick’s life is falling apart. In his 30s and living in his aunt’s spare bedroom, he has just been suspended from his job as a teacher after accusations of sexual misconduct - accusations he strongly denies. Searching for professional advice online, he is inadvertently sucked into the dark world of incel forums, where he meets a charismatic and mysterious figure. Across the street from Owen lives the Fours family, headed by mom Cate, a physiotherapist, and dad Roan, a child psychologist. But the Fours family have a bad feeling about their neighbor Owen.

Greta Gale has played the part of the funny fat one her entire life, hiding her insecurities behind a big smile. But size doesn’t matter when you can laugh at yourself, right? Until Greta realises she’s the only one not laughing. And deep down, she’s not sure if she’ll ever laugh again. But with her world feeling like it’s falling down around her, Greta is about to discover she’s stronger than she feels. And that sometimes the best moments in life come when it’s all gone a bit pear-shaped....

Lucy has a kind and adoring husband, a job she loves as a teacher, and a house on Mulberry Avenue with floaty curtains and the softest bed linen. After her troubled childhood, she knows life will never be perfect, but it’s pretty close. She’s also got Amber, right next door. They never run out of things to talk about. Even if Amber’s life - with her high-profile job and handsome, wealthy boyfriend - is more glamorous than Lucy’s, they share a down-to-earth sense of humor. But then Amber starts to hint that her life isn’t all it seems....

Ten years ago he killed my son. Today I married him. Ten years ago my darling son Jesse was murdered and our perfect family was destroyed. My strong, handsome boy, so full of life, became a memory, a photo I carried with me everywhere. But today I’m finally close to finding happiness again. My ash-blonde hair has been curled into ringlets. Carefully placed white flowers frame my delicate features. The small, drab chapel has been prettied up with white satin, and there are tiny red hearts scattered on the small table where I will soon sign the register with my new husband.

Life has been a bit of a rollercoaster for Ella. Growing up as the 'less successful' identical twin to her 'perfectly successful' sister, Emma, has left her feeling isolated, inadequate and let's face it...a little bitter. When Emma unexpectedly reaches out to Ella in a time of need, Ella suddenly finds herself with the opportunity to fill in for her sister and experience how the other half live.

Sophie Chesterton is London's "It Girl". She knows all the right people, goes to all the right parties, and wears all the right clothes...and her rich parents pay for everything. But deep down she suspects that her best "friends" - and her posh lifestyle - are nothing but shallow fakes. Then one evening Sophie's life takes a shocking, drastic turn, and her father decides it's high time for the party girl to make her own way in the world.

Maeve McKenna is on the verge of a breakdown. Having worked herself into the ground as a sought-after interior designer in London, she’s in desperate need of a vacation. Philomena Duffy is a little lonely. After losing her husband, their crumbling mansion, Willow House, feels awfully empty. With the rugged shores of Ireland calling, Maeve visits her aunt Philomena in Sandy Cove, where she once, as a teenager, kissed a wild, mysterious boy - a kiss she has never been able to forget.

When Mimi Huish visits her dad at his new home in the Cotswolds, she immediately falls in love with the eccentric and charming inhabitants of his new community. And when she meets the seriously gorgeous, charismatic Cal Mathieson, Mimi begins to daydream about trading in her city life for country living. But even though Mimi and Cal feel like they might be soul mates, fate (and bad timing) keeps pulling them apart.

Everyone in the village admires Anna because she’s a wonderful mother. Juggling family life with a small sewing business, she’s the one they turn to for a warm hug after a hard day. Her kind, polite daughters are a credit to her - even Bay, her stepdaughter, whom Anna loves as much as her own two girls. But normal family life changes overnight when Anna’s middle daughter’s beauty catches the eye of a stranger in a café. As jealousy erupts between the siblings, Anna’s perfect blended family begins to unravel around her.

When Jenny inherits her estranged grandmother’s cottage in Sherwood Forest, she has nothing to lose - no money, no job, no friends, no family to speak of, and zero self-respect. Things can only get better.... Her grumpy but decidedly handsome new neighbour, Mack, has a habit of bestowing unsolicited good deeds on her. And when Jenny is welcomed into a rather unusual book club, life seems to finally be getting more interesting. Instead of reading, the members pledge to complete individual challenges before Christmas.

My darling little boy Albie adores playing at our new neighbours’ house. And after the terrible year we’ve had, I feel so lucky that we can start over in this perfect place, with new friends who treat Albie like the son they never had. He can’t stop talking about the tree house they’re building him, and the cookies they bake together. But as time passes, something starts to feel wrong. Why don’t they ever open the front door more than a crack? They told me they had no children so who does the small pink tricycle I saw in their hall belong to?

Ever since Beth Bailey was a girl, she’s been in love with her best friend’s older brother, Mark. She’s continued to hold out hope that maybe, someday, he’ll love her back. But now Beth is thirty-five years old, and on the day of Mark’s wedding to another woman, she finally accepts the wake-up call she needs to move on.