Paula has had Robert's back since they got together as drama students. She gave up her dreams so he could make it. Now he's one of the nation's most popular actors. And Paula's just discovered he's having an affair. She's going to remind Robert just what he's sacrificing, and then she's going to break his heart like he broke hers. It will be her greatest acting role ever. Revenge is sweet. Isn't it?

Rebecca, Daniel, Alex and Isabel have been best friends since university. Rebecca married Daniel, Alex married Isabel and, for 20 years, they have been inseparable. But all that is about to change. When Alex walks out on Isabel, Rebecca thinks things can't get any worse. But then she finds out the reason why and she's left harbouring a secret she'd rather forget. And there's more upheaval to come in Rebecca's life as her emaciated, neurotic, self-obsessed colleague, Lorna - her arch nemesis at work - suddenly becomes a regular feature in her social life.

When it comes to genes life's a lottery. As Abi knows - she's spent her life in the shadow of her beautiful, glamorous older sister Cleo. Headhunted as model when she was 16, Cleo has been all but lost to Abi for the last 20 years. So when Abi is invited to spend the summer in Cleo's large London home with her perfect family, she agrees despite serious misgivings. But maybe Cleo is finally as keen as Abi to regain the closeness they shared in their youth? Abi is in for a shock.

James never intended to lead a double life; with a wife in London and a mistress in the country, it's exhausting. But that's all about to change. Stephanie, his wife, isn't really snooping when she finds a text message from a strange woman on her husband's mobile. But now she's found it, how can she ignore it? It's time to track the woman down and find out what's going on. Katie has no reason to believe her boyfriend, James, is cheating on her until someone claiming to be his wife gets in touch.

When Laura's marriage falls apart, she needs to find a home for her and her daughter. And quickly. Welcome to the Close, a beautiful street of mansions, where Laura rents a tiny studio above a garage and gorgeous Stella is the indisputable queen bee who soon suspects Laura of having designs on her fiancé. But when Laura unearths the ghastly secret he is hiding, it threatens Stella's perfectly curated world as well as Laura's career. Hatching an elaborate plan to beat him at his own game, these former enemies are now best friends.

Tamsin and her best friend, Michelle, have been inseparable since they were teenagers. Even now they spend all their time together, along with Patrick, Michelle's handsome husband. So when Tamsin hears a rumour that Patrick is having an affair, she is furious and plots a scheme to catch him in the act using her assistant, Bea, as live bait. It should be foolproof. After all, Tamsin can trust Bea with anything...or can she?

All Jen had ever wanted was a big, happy family. And when she married Jason and became part of the Masterson clan that's exactly what she got. For years everything was perfect. But then Jen sees something that she was never meant to see; unearths a secret she was never supposed to discover. If she tells, then her idyllic life might be over. But can she really keep it to herself?  

For 15 years, Lexi and Jake have played the same six numbers with their friends, the Pearsons and the Heathcotes. Over dinner parties, fish & chip suppers and summer barbecues, they’ve discussed the important stuff – the kids, marriages, jobs and houses – and they’ve laughed off their disappointment when they failed to win anything more than a tenner. But then, one Saturday night, the unthinkable happens. There’s a rift in the group. Someone doesn’t tell the truth. And soon after, six numbers come up which change everything forever. 

Holly is feeling on top of the world - celebrating a new promotion and dying to pop the champagne with her best friend Roz. But is Holly just imagining things, or is Roz - who supported her every step of the way - not as happy for her as she should be? Something about Roz's behaviour doesn't add up. And soon Holly has the sneaking suspicion that there's a target on her back. Has someone been playing dirty in a war Holly didn't know she was fighting? And is Roz more tangled up in this than she'll admit? Only one woman can be left standing - but will the best woman win?

Ava only left her daughter in the pushchair for five minutes. The buckle was fastened, and she was sure it was safe. But when she came downstairs, the door was open and Abi was gone - she walked down the road, past the Lovegoods' house, and was never seen again. A year later, the Lovegoods throw a housewarming party, showing off the results of their renovation. Ava doesn’t want to go. She can’t bear to look down that end of the road, to see the place where Abi vanished, and she doesn’t want to spend time with people who don’t share her grief. 

Felicity Lewis' 50th birthday party in her newly renovated home, loving husband and daughter Greta by her side, is going off with a bang when disaster strikes. Her father, Franklyn, with his usual impeccable timing, has keeled over and died. For some members of the family, his wife Hazel for example, Franklyn's death is not the great loss it first appears to be. But when his toxic and inexplicable will is read out, it becomes clear that long-buried secrets are about to surface, starting with the astonishing reappearance of Hazel's long-lost sister.

Ava is sick of online dating. She’s always trusted her own instincts over an algorithm, anyway, and she wants a break from it all. So when she signs up to a semi-silent, anonymous writing retreat in glorious Italy, love is the last thing on her mind. Until she meets a handsome stranger. All she knows is that he’s funny, he’s kind and - she soon learns - he’s great in bed. He’s equally smitten, and after a whirlwind, intoxicating affair, they pledge their love without even knowing each other’s real names.

Emily and Jake are the perfect couple. Or so everyone says. But Emily just read a letter that has shattered her perfect world. Now she only has one thing on her mind. Which one of her friends is sleeping with her husband?

Cassie stares at the woman on her doorstep in disbelief. Just months after losing her only son, Josh, here stands a stranger claiming to be Josh’s girlfriend. But it’s not only the woman Cassie is shocked by, it’s the baby nestled in Kim’s arms. Cassie’s grandchild. I know what you did. As Cassie tries to do what’s best for baby Samuel, she starts to receive threatening messages from someone from her past - someone Cassie has been hiding from for a long time.

Me and Will. Will and Me. A perfect match. He said he would always be there for me, but it’s been a year since he drained his coffee, walked out the front door and vanished. Did he leave me? Or did something terrible happen? I’m scared someone finally found out about what happened on the drive home that night...I lie awake at night trawling the internet for rental properties, desperate for an escape. Until I see my husband’s gorgeous face smiling back at me from a photograph on the fireplace in someone else’s home, and something inside of me snaps....