Sinéad Moriarty

Alice and Niall used to be lovers, best friends and parents, in that order. Now they're no longer on the same page or even reading from the same book.Ann thought when she and Ken retired, it would be their second spring. Instead, it feels more like an icy winter.Orla is falling in love with boyfriend Paul, but her complicated past makes her unsure if she can ever be intimate with anyone.Three couples find themselves telling a stranger about the most private part of their lives - their hopes, their disappointments, their awkward realisations.

Single parent Louise is trying to help her fragile young daughter to navigate life. So, when the nine-year-old insists on finding out who her father is, Louise organizes a sisters' outing to track down her Italian one-night stand.

Meanwhile, due to her teenage sons' sporting success, mother-of-four Julie is anointed Cook-Bottlewasher-and-Cheerleader-in-Chief for the rugby parents' WhatsApp group. Worst. Job. Ever

Finally, glamorous Sophie is determined that her daughter Jess won't be boy-crazy and image-obsessed like she was. But when things go horribly wrong at a teen party, Sophie and her sisters are forced to take drastic measures to protect Jess's future.

Squeezed from every side, Louise, Julie and Sophie want to be good sisters - but sometimes that's easier said than done...

When Alice's husband Ben dies suddenly, her world falls apart. They shared twenty years and two daughters and life without him is unimaginable.

Having lost her parents while young, Alice understands her girls' pain. At fifteen, Jools is at that awkward age and only Ben could get through to her. And eleven-year-old Holly looks for the answer to everything in books but this time she's drawing a blank. Alice realizes that for their sakes she must summon up superhuman reserves of strength.

Somehow all three of them come through the dark days. In time, it's even possible for Alice to consider marrying again, with the girls' blessing. So when Ben turns up after three years, her world is again turned upside-down. The girls assume that their family can go back to the way they were. Alice is not so sure.

What's another branch on the family tree?

Things are finally looking up for Anna. Fourteen miserable years of marriage to man-child Connor have left her drained and ready for a new start. So when they separate, she couldn't be more thrilled to move in with James, a handsome lecturer who is everything her ex-husband is not: kind, thoughtful, and above all, reliable.

But Anna and James's kids hate living with the loved-up couple and the new set-up. Their teenage daughters - one a studious high achiever and the other a cool rich girl unbothered by grades or exams - have nothing in common. And Anna's wild football-mad eleven-year-old son declares war on bookish James.

Nobody said step-parenting was easy; Anna and James are about to find out exactly how complicated it can be. With exes, new partners-of-exes and money all in the mix, home life is fast becoming a minefield and their new-found happiness hangs in the balance. Do they have what it takes to make their blended family work?