For Esther, it’s proving hard not to feel bitter watching Lucas enjoying his successful career, not to mention the attentions of his gorgeous, intelligent, and predictably younger lover. She meanwhile is struggling to forge a new life for herself, navigating the pitfalls of modern dating, while trying not to despair at the cost of living as a single woman of a certain age. Then Lucas faces a shattering accusation at the same time as their children Dylan and Lily, start to implode.

Everyone that meets Kat Keating is mesmerised. Beautiful, smart and charming, she is everything a good girl should be. Her sister Eleanor, on the other hand, knows she can't compete with Kat. On the awkward side of tall, clever enough to be bullied, and full of the responsibilities only an older sibling can understand, Eleanor grows up knowing she’s not a good girl.  

On the day that her youngest child leaves home, Alice Hatton discovers two disturbing truths in a matter of hours. The Empty Nest cliché is true. And she does not love her husband Peter at all. Now in her fifties, Alice is appalled to realise that she is no longer considered her own person, but is instead defined by her relationships – mother to her adult children, wife to her husband. Horrified by the thought of spending another thirty years with Peter in their North London suburb, Alice decides to take matters into her own hands.

After 30 years of marriage, and a wonderful family Christmas, Louisa is stunned when husband Kip asks for a divorce on Boxing Day. He’d never seemed unhappy – and they’ve raised three children together. For months, Kip has been secretly seeing a younger woman – and if that wasn’t bad enough – it’s the woman who broke their youngest son’s heart. Now Kip is moving out and embarking on a new life with Zoe, and Louisa is left to pick up the pieces. Their beloved family home, Charity Cottage, is up for sale, and tensions are running high.

On a normal day, in a normal house, on a normal street, wife and mother Fran has had enough. She packs a case, leaves a note for her bullying husband, Pete, and one for her beloved 21-year-old son, Harry, and heads to the airport - and freedom. In another house, on another street, Helena is desperately baiting her husband, Jack, into a fight. These days it feels like the only way to get Jack to take notice of her. Passionate, volatile, increasingly fragile, Helena is fast running out of hope.

When Melanie Scott is promoted to junior partner, she thinks she has put her past behind her, and while out celebrating her promotion, she meets the handsome and charming Hugo Field. Melanie has her doubts and is haunted by her mother’s critical voice, which reminds her that she’s messed up before. But when Oliver invites her for dinner, she buries the feeling and accepts his invitation. She deserves a chance at happiness, doesn’t she? However, the past she thought she had left behind resurfaces when she receives an email containing a name she thought she’d left behind.

As young women, Lise and Emma had the kind of friendship people dream about. While Lise's own family was distant and disengaged, Emma's was welcoming and warm, and for the first twenty-six years of their life, growing up together in a close-knit community, the duo were inseparable. But when they decide to spend one year living together in Paris, what starts as the adventure of a lifetime becomes a disaster that changes everything. And when Emma returns to Bath the following summer, Lise stays behind in France, their friendship in tatters.

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.

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.

It’s the hottest day of the 1976 heatwave and there’s not a breath of fresh air in the labour ward at Lincoln County Hospital. Michelle is having her fourth child, a girl, while beloved husband Dean is sipping a cold pint in the pub. Their little house is already bursting at the seams, but Michelle is sure they’ll find a way to stretch their budget and continue life as a blissfully chaotic happy family. They name their new baby Donna.

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?

Maggie is a mother to a stroppy teenager, a wife to a befuddled husband and a daughter to two very different women. She has always known she’s adopted, but has she ever understood what that means? Not really. Following the death of her mother, Maggie finally feels able to go in search of her birth mother Morag, and heads to the Highlands of Scotland with her disgruntled daughter, Roxie, in tow, leaving her crumbling marriage to worry about another day. The family reunion is bittersweet, but everything is blown wide open when Roxie unearths Morag’s explosive teenage diaries.

The chaotic but happy equilibrium of the Nightingale family is thrown into disarray when Cecily - whose children can't remember her ever being remotely spontaneous - disappears to a Greek island with no warning or explanation. Her reasons for doing something so out of character are a total mystery to her three daughters, high-powered executive Felicity, unfulfilled GP Julia and organised mother-of-five Lily.

A Family Man tells the story of 31-year-old Matt Webster, who arrives home from work one day to find that his wife, Kath, has walked out, leaving him to care for their four-year-old son. Shock and hurt are compounded by the challenge of suddenly having to juggle work with being a single parent. While the needs of his confused, unhappy little son come first, Matt embarks on the difficult quest to find out what could have driven his wife to abandon their child. It is only as the truth emerges that he learns the full heartbreak and joy of unconditional love.

The Harrison family gathers as usual for Christmas in their big Sussex house. This year, however, outside realities are pressing hard: Pamela and John, married for four decades, know that time is catching up with them. And trouble is brewing in the lives of their four children. Cassie, the cossetted youngest, is in the throes of an affair with a married man; Elizabeth, her awkward older sister, is struggling with a faltering second marriage; Peter, the eldest and designated inheritor of Ashley House, is beginning to meet resistance to such a prospect from his career-orientated wife.