Their rise was meteoric. Only a few years before, they had been three friends from Glasgow, trying to survive in a world of danger and dysfunction. Suddenly they were thrust on to the world’s biggest stage, accepting an Oscar in front of the watching world. That night was the beginning of their careers. But it was the end of their friendships. For two decades they didn’t speak, driven apart by a horrific secret. Until now... Their past is coming back to bite them, and they have to decide whether to run, hide, or fight.

Suze has a niggling feeling that her husband Karl's marital sat-nav has taken a wrong turn and led him down the road to temptation. What's a suspicious wife to do? Mel knows that her sweet, docile husband Joe would never, ever cheat. But when Suze, her sister-in-law, hires a honeytrap to test Karl, the results blow Mel's world apart. Mel, Joe, Suze, Karl. They're family. They're friends. And they're about to discover whether or not they can navigate those other f-words - fidelity and forgiveness.

On a cold December morning... Caro sets off to find the truth: has her relationship with her father been based on a lifetime of lies? Cammy can't wait to surprise the woman he loves with a proposal. All he needs is the perfect ring. Lila can no longer hide her secret. She has to tell her lover's wife about their affair. After thirty years, Bernadette knows it's time. She's ready to leave her controlling husband... and never look back.

On Christmas Eve, 1968, Cathy McLean receives a surprise visit from the lost love of her life and is forced to choose between the one that got away and the one that stayed. On Christmas Eve, 1993, Cathy’s daughter Helena is overjoyed to hear that her boyfriend is about to propose, until a devastating encounter threatens to bring her heartbreak instead of diamonds. On Christmas Eve 2023, a shocking discovery rocks Eve Quinn’s world. The only gift Eve wants this year is the truth. But will it take a Christmas miracle to unravel generations of secrets?

Thirty-year-old Dee and her husband Luke are blissfully happy. Every day she makes her loyal parents incredibly proud. Jen has been her best friend since their days of teenage crushes, bad '90s makeup and huge hair. They are just like any other group of family and friends - living life and getting by. Until one day everything changes. Dee is gone, killed by a reckless driver, leaving the people she loved to deal with their grief in different ways. A marriage is rocked as a parent seeks justice. A husband struggles to accept the loss of his wife.

When Tess married Drew Gold, she knew his two ex-wives were still in his life. Now Drew has planned a luxury cruise to celebrate his birthday, and all the former Mrs. Golds are coming too...Drew’s second wife, fashion editor Mona, never puts a Louboutin wrong when it comes to style. Now it's time to reclaim the only man she ever really loved...if she can tempt Drew away from Sarah Gold, his new wife for a second time. When Drew left his first wife, Sarah, for the glamorous Mona, Sarah's emotions went into hibernation. Now she's decided to shave those legs and start living again....

Laney Cochrane loves her life. With her friends Millie and Tash, she runs a proposal agency, organising the perfect setting for their clients to pop the question. Finding that forever love is something Laney knows all about. Her marriage to Cameron is blissfully content, and she has never doubted they’ll live happily ever after. Then Cara Deacon walks into their office. When Cara enlists their help to set up a romantic engagement to her boyfriend, they visualise a breathtaking scene under a moonlit Manhattan sky.

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.

After two decades of looking after others, this is the day that Agnetha McMaster is reclaiming her life. It's her turn, her time, but will she have the courage to start again? Ten years ago, Mitchell McMaster divorced Agnetha and married her best friend, Celeste. Now he suspects his second wife is having an affair. This is the day he’ll discover if karma has come back to bite him. Thanks to a DNA test, this is the day that Hope McTeer will finally meet her biological father. But will the reunion bring Hope the answers that she’s looking for?

Colm O’Flynn was loved by his close circle of family and friends, however his death came too soon for everyone to make peace with their past. Shauna, his second wife, adored him. But one night she broke their marriage vows and didn’t get time to ask Colm’s forgiveness. Jess was the first Mrs O’Flynn. Her heart is set on someone new, but will the last one-night stand she shared with Colm come back to haunt her? Colm’s best friend, Dan, is recently divorced. Can he take a second shot at happiness if it means betraying the one person who always had his back?

You know that ‘till death do us part’ bit in the wedding vows? Well Zoe Dalton believed it. She walked up the aisle thinking that she was strolling to her happy ever after. One month later, her heart is in pieces, she’s returning the wedding gifts and there’s a husband-shaped space next to her in bed. He’s gone, after Zoe discovered a devastating secret. But Zoe has lost so much more than her marriage. Her three sisters are not only her siblings, they’re her best friends, too. Now she’s discovered that one of them may have been the reason her husband betrayed her.

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?

As the sun rises on a hot summer’s day, four lives are about to be changed forever.... Today, Maisie McTeer decides to track down the ex who jilted her at the altar. Today, she’ll find out that revisiting the past can also rewrite her future. After losing her husband, Harriet Bassett can no longer bear her lonely life. Today, a familiar face in a crowd will spark a quest to discover if there’s something and someone worth living for.

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...?

Annie Beyers has everything - a beautiful house, a loving husband, and an adorable daughter. It’s a day like any other when she takes Hannah to the pediatrician…until she wakes hours later from a car accident. When she asks for her daughter, confused doctors tell Annie that Hannah never existed. In fact, nothing after waking from the crash is the same as Annie remembers. Five happy years of her life apparently never happened.