Ailish Ryan has been in hiding since her husband’s affair ended their marriage. But when a friend forces her to face her new reality, will she choose to revisit the past or embrace a brand-new future? Ailish’s daughter, Emmy, thought her boyfriend was nothing like her cheating father, but now she’s not so sure. As the hours pass, she turns detective to find out if she picked the right man, or if history is repeating itself.

One year ago today, Tress Walker’s husband was killed in a car accident, on a trip with his secret mistress whilst Tress gave birth to their son. But as time moves on, Tress has to choose whether to protect her fragile heart or open it to love again.

Noah Clark was equally devastated to discover his wife and his best friend were having an affair. Now the love of his life is asking for a second chance. But can there ever be a way back once the trust is broken?

After three decades of marriage, Brenda Jones has decided to leave her husband, just as soon as they both return from a mystery trip with their daughter Zara. But she has no idea that Zara is flying them to Las Vegas to renew their vows. Zara Jones has recreated almost every detail of her parent’s original wedding - now her only challenge is tracking down the two friends who were pictured with her mum and dad back in 1993.

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.

When Robin finds out she's going on a work trip to Italy she can't wait for a week away in the sunshine, away from the daily grind. So what if there's a client pitch to do while they're there? The thing Robin is most excited about is the chance to show her work crush, James, what she's really like outside of work, and divert his attention from Liz, her work rival. To make things even better, Robin realises that the town they're going to in Italy is the same place that her childhood penpal, Andrea is from.

Jo Watters would rather do anything than go to her ex-husband Ben’s wedding to perfect Monica, and if it wasn't for her beloved children she would already be far, far away. But having promised to be civilised for the sake of their soon-to-be-blended family she is headed to Spain with a fixed smile and hoping for a very fixed drink! But when Jo realises that she’s on the same plane as Monica's ex-husband, the devastatingly handsome but equally cantankerous Adrián, she thinks her trip can’t get any worse... she’s wrong.

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.

Have you ever made a life-changing decision before wondering if you made the right one...? When Liv and Nate walked up the aisle, Liv knew she was marrying the one, her soul mate and her best friend. Six years later, it feels like routine and friendship are all they have left in common. What happened to the fun, the excitement, the lust, the love? In the closing moments of 1999, Liv and Nate decide to go their separate ways, but at the last minute, Liv wavers.

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.

This is... Denise. Married to Ray, her first and only love, Denise has never, for one moment, regretted putting the husband she idolised on a pedestal above everyone and everything else. But, after forty years of marriage, he is gone, leaving Denise to discover that their perfect marriage was fatally flawed. Now she faces a future alone. But first, she must face the betrayals of the past. This is... Claire. The estranged daughter of Denise, the woman who put her husband before her children, Claire took the opposite path and devoted her life to raising her family, sacrificing.

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?

Growing up, sisters Libby and Nicky never knew who they’d find at breakfast. Their parents fostered children of all ages, and although the girls loved playing their part in providing a safe haven, it meant that life was rarely peaceful. Now as a single mother of two, Libby’s life is still anything but peaceful.

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?

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.

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?