Ever since a car accident tore her family apart, Holly has been part of a lonely-hearts holiday letter–writing club. Each December, she writes to a stranger who is also spending Christmas alone, and receives a letter from another lonely person in return. Usually, the letters go unanswered. That’s the point—the letters are anonymous, and the senders write whatever is in their heart. But this year, the letter Holly receives is different; not only is the letter full of a grief she knows all too well, but its writer, Emma, mentions a place that Holly has visited.

It’s summer in the city and passions are soaring along with the temperature - for everyone but Mitchell Fisher, who hates all things romance. He relishes his job cutting off the padlocks that couples fasten to the famous “love story” bridge. Only his young daughter, Poppy, knows that behind his prickly veneer, Mitchell still grieves the loss of her mother.

Janey Markham is thrilled to be moving with her family to Buckingham Crescent, the smartest address in a desirable suburban town. Worried she’ll be excluded by the glossy local mothers, Janey is thrilled when she meets Tanya, the kind of woman she has always looked up to. Tanya takes Janey under her wing and her teenage daughter, Angel, is amazing with Janey’s little boy. As Janey and Tanya grow closer, Janey feels she can finally leave her troubled past behind.

Twenty-six-year-old editorial assistant Nella Rogers is tired of being the only Black employee at Wagner Books. Fed up with the isolation and microaggressions, she’s thrilled when Harlem-born and bred Hazel starts working in the cubicle beside hers. They’ve only just started comparing natural hair care regimens, though, when a string of uncomfortable events elevates Hazel to Office Darling, and Nella is left in the dust.

Minnie Cooper knows two things with certainty: that her New Year's birthday is unlucky, and that it's all because of Quinn Hamilton, a man she's never met. Their mothers gave birth to them at the same hospital just after midnight on New Year's Day, but Quinn was given the cash prize for being the first baby born in London in 1990 - and the name Minnie was meant to have, as well. With luck like that, it's no wonder each of her birthdays has been more of a disaster than the one before.

Nikki is a flirtatious six-time divorcee. Geraldine is her quirky grandmother. Mix in a bunch of gun-toting grannies, an outrageous retirement home, and unsolved mysteries, and there's definitely going to be some excitement. Follow along as Nikki and the cast of retirement home vigilantes work to solve the mystery before everything goes up in smoke.

Mattie Ross is probably the last person who should be doling out good counsel to anyone about anything. Still smarting after being left at the altar two years earlier, she is strapped with debt, has sworn off men, routinely buries herself in her work, and despite her well-proportioned figure remains haunted by childhood taunts of "Fatty Mattie". But to her publisher at the Chicago Gazette, she is their latest advice columnist, The Plate Spinner. Enter Nick Derosa, the twin brother of Mattie's cold-footed fiancé.

Can you fall in love like they do in the movies? It's Evie Summers' job to find out. Because if she can't convince her film agency's biggest client, Ezra Chester, to write the romantic-comedy screenplay he owes producers, her career will be over. The catch? He thinks rom-coms are unrealistic - and he'll only put pen to paper if Evie shows him that it's possible to meet a man in real life the way it happens on the big screen. Cynical Evie might not believe in happily ever after, but she'll do what it takes to save the job that's been her lifeline.

Lonely librarian June Jones has never left the sleepy English village where she grew up. Shy and reclusive, the 30-year-old would rather spend her time buried in books than venture out into the world. But when her library is threatened with closure, June is forced to emerge from behind the shelves to save the heart of her community and the place that holds the dearest memories of her mother.

Investment banker Ash Taylor left her cut-throat world to set up a cool, cutting-edge tattoo studio. Her love life's been a lot bumpier, though. Ever since a heart-breaking affair with a straight colleague, she's vowed to steer clear of women unsure of their sexuality. Talent-agency executive Carmen Lyttleton is straight, career focused, and not prone to distraction from her occasional casual relationships. When her best friend gets a tattoo at Ash's studio, Carmen finds herself unexpectedly impressed by Ash and her business.

When Eleanor Hardwicke’s beloved father dies, her world is further shattered by a gut-wrenching secret: The man she’s grieving isn’t really her dad. Eleanor was the product of an affair, and her biological father is still out there, living blissfully with the family he chose. With her personal life spiraling, a desperate Eleanor seeks him out, leading her to uncover another branch on her family tree - an infuriatingly enviable half-sister.

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.

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.

Publicist Kate Sinclair’s life in London is everything she thought she wanted: success, glamour and a charming boyfriend. Until that boyfriend goes behind her back and snatches a much sought-after promotion from her. Heartbroken and questioning everything, Kate needs to escape. From candles and cosy nights in to romantic late-night walks through the beautiful cobbled streets of Copenhagen, Kate discovers how to live life ‘the Danish way’. Can the secrets of hygge and happiness lead her to her own happily ever after?

Caroline serves others with little time to enjoy the sweeter parts of life. Until her old boyfriend returns to town - and she's given a second chance at first love. Life hasn't always been so sweet for Caroline Sweeny. She sacrifices her desires for others - unlike her mother who abandoned their family years ago. But when a friend challenges her to accept an exciting job adventure in Spain, Caroline says "yes" to a new destiny. But before she can pack her bags, Caroline suddenly finds herself the new owner of the run-down Frogmore Cafe - and forced to choose: Her friends or her future?