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.

It’s the summer of 1990 and seventeen-year-old Dawn is infatuated with Billy. He’s cool, in a band and the opposite of her other besotted admirer: gentle electrician Rob. But then Billy disappears, and Rob is still around. He's there when Dawn falls pregnant and he’s there for the sleepless nights. And though Dawn and Rob were never destined to be together, suddenly they’re married. This real-life relationship involves arguing about who loads the dishwasher, cosy nights in while not having sex (and not missing it) and dragging kids to violin classes (even though they’re terrible).

Fleur French does not have the best of luck when it comes to life and love, and her current boyfriend Jasper is yet another person who only seems to like Fleur when she moulds herself into his idea of the perfect partner. So, when she finds herself single, jobless and homeless, Fleur has to decide if she’s ready to finally be herself – if only she knew who that was.

Tress Walker waved her perfect husband Max off to work, with no idea that she was about to go into labour with their first child. And completely unaware that when she tried to track Max down, he wouldn’t be where he was supposed to be. At the same time, Max’s best friend Noah Clark said goodbye to his wife, Anya, blissfully oblivious that he would soon discover the woman he adored had been lying to him for years. And living alongside the two couples, their recently widowed friend, Nancy Jenkins, is getting ready to meet Eddie, her first true love at a school reunion.

Sasha Greenhope has a very lovely life. Her marriage is solid, her only daughter is delightful and the family business is going full steam ahead. The only blip on the horizon is the upcoming family reunion for her parents 40th-wedding anniversary at Chadwell House—the family pile. Sasha just does not fit with her rich family. Her French mother, Delphine thinks everything Sasha does is a faux pas... And siblings, Adele and Beau, are clearly the favourites, leaving Sasha surplus to requirements.

Marion Miller needs a fresh start. Her childhood in Northern Ireland wasn’t easy, with a father who passed away when she was young and a mother who got lost in grief. Now grown-up and with family relations as tense as ever, Marion heads to England, to find out the truth about her father’s mysterious past – and hopefully an extended family who will love her as much as he did.

Thirty-three-year-old Ruth Henderson and her daughter Maggie have some hard choices to make. Following the tragic death of Maggie’s father, they are left with a mountain of debt and broken hearts. So, despite her vow never to return home after the fall-out from her teenage pregnancy, Ruth can’t see any option other than for the two of them to move back in with her parents.

Moving home in her 30s was not the life plan Jas had in mind. So when her best friend gets in touch to say she's arranging a long overdue reunion with their high school friends, Jas is very much up for the escape. Oh, and it's all expenses paid to Italy - so that's a bonus! But while being whisked away to the beautiful Italian coast may seem idyllic, Jas has to come face to face with not only her ex-boyfriend, but the one that got away too!

Cara and Millsy have broken up...sort of. After years of being everyone's favourite couple, always up for a party and having fun wherever they go, things have fizzled out. But when they realise they have a whole calendar of events and celebrations with friends and family coming up, Cara and Millsy can't face letting them down. So they decide to make a pact: just convince everyone they're as madly in love as ever and get through the festivities without causing suspicion, and then deal with the break up in the new year. How hard can it be...?

Poppy is a therapist. You’d think her parents would be proud. But Poppy is the type of therapist that makes her mother cringe - she helps people with their, ahem, bedroom problems… Normally Poppy deals with her difficult family - two parents, one brother, a couple sisters and an assortment of nieces and nephews - by keeping a county or two between her and them. But with her little sister about to get married there’s no avoiding the week-long family holiday in Cornwall.

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.

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.

After the end of a long-term relationship, local weather girl Bea Armstrong has been avoiding her family, and their inevitable 'I-told-you-sos'. But with Christmas fast approaching, she is finally on her way home to Charis House, the school in Sherwood Forest that her mum and dad run in their old family home. And to top it all off, the insufferable Henry Fairfax—who her parents have always wanted her to marry—has also been invited.

After escaping her controlling husband, Bernadette Manson is taking the first extravagant holiday of her new life. But when her best friend cancels, will she be strong enough to fly solo? Tadgh Donovan is about to jet off to his destination wedding when he sees a shocking text. Has his bride-to-be written her wedding vows… or already broken them? Hayley Ford is the wife of a top fertility specialist yet her battle to get pregnant has almost broken her marriage. Can a trip to the sun heal their relationship or should she brace for a crash landing?

City girl Sophie has married the prince (or landed gentry - close enough), moved to his pile (which is more accurate a description than she’d anticipated) and is set to live happily ever after - until she finds the other half of her perfect life in the stables with the stable girl, and they’re definitely not grooming the horses. Shocked and appalled, Sophie’s no happier to learn that she’s supposed to 'just get on with it'. After all, according to her mother-in-law, she got the title...they even overlooked her family’s ‘new money’ status.