Laurie is sure love at first sight doesn't exist anywhere but the movies. But then, through a misted-up bus window one snowy December day, she sees a man who she knows instantly is the one. Their eyes meet, there's a moment of pure magic...and then her bus drives away. Certain they're fated to find each other again, Laurie spends a year scanning every bus stop and cafe in London for him. But she doesn't find him, not when it matters anyway. Instead they "reunite" at a Christmas party, when her best friend, Sarah, giddily introduces her new boyfriend: the man from the bus.

It’s 2 AM on a Saturday night in the spring of 2001, and 28-year-old Cecily Gardner sits alone in a dive bar in New York’s East Village, questioning her life. Feeling lonesome and homesick for the Midwest, she wonders if she’ll ever make it as a reporter in the big city - and whether she made a terrible mistake in breaking up with her longtime boyfriend, Matthew.

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.

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.

It’s the busiest season of the year, and Forest Manor Hotel is quite literally falling apart. So when Izzy and Lucas are given the same shift on the hotel’s front desk, they have no choice but to put their differences aside and see it through. The hotel won't stay afloat beyond Christmas without some sort of miracle. But when Izzy returns a guest’s lost wedding ring, the reward convinces management that this might be the way to fix everything. With four rings still sitting in the lost & found, the race is on for Izzy and Lucas to save their beloved hotel—and their jobs.

As a professional bridesmaid, Sophie is hired by London brides to be their right-hand woman, posing as a friend but working behind the scenes to help plan the perfect wedding and ensure their big day goes off without a hitch. When she’s hired by Lady Victoria Swann - a former model and “It Girl" of 1970’s London; now the Marchioness of Meade - for the society wedding of the year, it should be a chance for Sophie to prove just how talented she is.

When Georgie discovers that her fiancé has been cheating on her, only a few days before her cousin’s wedding, her whole world explodes. Facing a romantic trip to Vegas alone, she decides to go out and have some fun…but Georgie never expected to wake up wed! And even worse, she can’t remember who to. So when gorgeous Jack reveals himself as her husband, she can’t believe her luck – he’ll act as the perfect wedding date!

Emma has four younger sisters, all of whom are married or getting married, and an Italian mother who can’t understand what is ‘wrong’ with her eldest daughter, who seems to be stranded on the shelf. Despairing of her own ability to find a suitable husband, Emma agrees to be part of a compatibility project to get married at first sight.

Olivia can’t believe it when her boyfriend, Teddy, proposes out of the blue. She loves him (of course she does!) BUT it does seem sudden, especially when they don’t even live together yet. There is only one place that Olivia has ever wanted to get married - a gorgeous venue on the Cornish coast, built by her grandfather. The problem is they only have one date available - and it's only a few weeks away! Olivia isn't so sure about rushing but Teddy jumps at the chance to be married within the month. Thrown into a whirlwind of wedding planning, alarm bells start to ring for Olivia.

Alice and Seth are a perfect love story: the handsome doctor and his beautiful fiancée. They’re wealthy, well liked and made for each other—the envy of all their friends. Alice can’t wait for the day of their dream wedding. But when she arrives at the altar, she doesn’t recognise the man waiting to marry her. When this stranger insists he’s Seth, her husband-to-be, the entire congregation seems to agree. Even her parents try to persuade Alice to go through with the wedding.

Cara has officially run out of men. Her most recent dates have gone from bad to worse, and when her dating app informs her there is no one left in her area to choose from, she is at a dead end. But with a summer of events ahead of her, she needs to find a solution, fast; someone to keep her company at the never-ending weddings, family gatherings and gender-reveal parties that she can’t face going to alone. So when she meets handsome, confident, Millsy on a night out, she may be in luck. They could not be more different in personality, but he, too, has a summer of events ahead.

When the day finally comes for Annie to marry Alexander, the last thing she expects is to be left standing at the altar. She was so sure he was Mr Right. Now, she has no idea how she could have got it so wrong. After a chance meeting with Patrick, an old friend who reminds her of who she used to be, Annie takes a vow of her own: she’ll say yes to every opportunity that comes her way from now on. Could a spontaneous trip with Patrick be the way to mend Annie’s heart? She’s about to find out as she embarks on her honeymoon - with a man who’s not her husband.

When young doctor Lauren Matheson meets Joe, an older divorced businessman, at a glittering poolside in California, it’s a chance encounter that seems life-changing. Back home in London, their feelings only strengthen. But Lauren soon discovers that building a happy future with Joe is going to be an uphill struggle... She’s determined to be a good stepmother to his children, four-year-old Toby and complicated teen Grace. But under the watchful eye of Meredith, Joe’s intimidating ex-wife, Lauren can’t seem to do a thing right.

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!

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!