When the kids are grown and Mercy Garrett gradually moves herself out of the family home, everyone determines not to notice. Over at her studio, she wants space and silence. She won't allow any family clutter. Not even their cat, Desmond. Yet it is a clutter of untidy moments that forms the Garretts' family life over the decades, from giving a child a ride to a painstaking Easter lunch, a fateful train journey to an unexpected homecoming. And it all begins in 1959, with a family holiday to a cabin by a lake.

In 1976, four students took a trip to the desert. Now the repercussions of that fateful summer are coming back to haunt them. And repercussions are just what Guy doesn't need: his wife, Jane, is moving swiftly from slightly eccentric to downright peculiar, their three-year-old daughter seems set on destroying Jane's sanity, and now even God's gone quiet on him. As for Nina, she's having enough trouble with her son, James. He's got exams looming, a new girlfriend with pneumatic breasts, and now, it seems, he's on drugs. Nina certainly won't welcome any ghosts from the past.

Abigail Jex never expected to see any of the Radleys again. They were extraordinary, captivating creatures transplanted from a bohemian corner of North London to outer suburbia, and the young Abigail found herself drawn into their magic circle: the eccentric Frances, her new best friend; Frances' mother, the liberated, headstrong Lexi; and of course the brilliant, beautiful Rad. Abigail thought she'd banished the ghost of her life with them and the catastrophe that ended it, but 13 years later a chance encounter forces her to acknowledge that the spell is far from broken.

Without even noticing, Esther Fairchild has become locked into routine. Living with her adored brother, Christian, she divides her time between illustrating children's books, nightly shifts as a waitress, weekly visits to her father and fortnightly meetings with her married lover. Then one day she encounters a face in the crowd which jolts her out of her mundane existence and makes her question both her life and the past that has helped to shape it.

When aspiring novelist Christopher Flinders drops out of university to write his masterpiece (in between shifts as a fish delivery man and builder's mate), his family is sceptical. But when he is taken up by the London editor Owen Goddard and his charming wife, Diana, it seems success is just around the corner. Christopher's life has so far been rather short of charm - growing up in an unlovely suburb, with unambitious parents and a semi-vagrant brother - and he is captivated by his generous and cultured mentors.

Back in the long ago '90s, Rachel Walsh was a mess. But a spell in rehab transformed everything. Life became very good, very quickly. These days, Rachel has love, family, a great job as an addiction counsellor, she even gardens. Her only bad habit is a fondness for expensive trainers. But with the sudden reappearance of a man she'd once loved, her life wobbles. She'd thought she was settled. Fixed forever. Is she about to discover that no matter what our age everything can change? Is it time to think again, Rachel?

Clara's sister is missing. Angry, rebellious Rose had a row with their mother, stormed out of the house and simply disappeared. Eight-year-old Clara, isolated by her distraught parents' efforts to protect her from the truth, is grief-stricken and bewildered. Liam Kane, newly divorced, newly unemployed, newly arrived in this small northern town, moves into the house next door, a house left to him by an old woman he can barely remember and within hours gets a visit from the police. It seems he's suspected of a crime.

Everyone tells Martha Friel she is clever and beautiful, a brilliant writer who has been loved every day of her adult life by one man, her husband Patrick. So why is everything broken? Why is Martha - on the edge of 40 - friendless, practically jobless and so often sad? And why did Patrick decide to leave? Maybe she is just too sensitive, someone who finds it harder to be alive than most people. Or maybe - as she has long believed - there is something wrong with her. 

Yasmin Ghorami has a lot to be grateful for: a loving family, a fledgling career in medicine and a charming, handsome fiancé, fellow doctor Joe Sangster. But as the wedding day draws closer and Yasmin's parents get to know Joe's firebrand feminist mother, both families must confront the unravelling of long-held secrets, lies and betrayals. As Yasmin dismantles her own assumptions about the people she holds most dear, she's also forced to ask herself what she really wants in a relationship and what a 'love marriage' actually means. 

To Nicole and Jamie Maguire, their parents seem the ideal couple - a suburban double act, happily married for more than 30 years. So when Linda and Gerry announce that they've decided to separate, the news sends shockwaves through the siblings' lives, forcing them to confront their own expectations and desires. 

The only thing Abi ever wanted was a proper family. So when she falls pregnant by an Australian exchange student in London, she cannot pack up her old life in Croydon fast enough, to start all over in Sydney and make her own family. It is not until she arrives, with three-week-old Jude in tow, that Abi realises Stu is not quite ready to be a father after all. And he is the only person she knows in this hot, dazzling, confusing city, where the job of making friends is turning out to be harder than she thought.

Bright, stylish Katherine is offered a place to study philosophy by Jacob Goldman. She little expects to find herself in the Goldmans' home, a rambling house in Sussex, while Jacob's untidy but enchanting wife Jane gives birth to their sixth child, little Rosie does headstands, stroppy Jonathan goes off fishing and Roger wins her heart by playing beautiful music on his violin. Katherine and Roger embark on a love affair that ends in tears and she leaves for Rome.

1944, in the ruined wine cellar of a Tuscan villa, as bombs fall around them, two strangers meet and share an extraordinary evening. Ulysses Temper is a young British soldier; Evelyn Skinner is a sexagenarian art historian and possible spy. She has come to Italy to salvage paintings from the wreckage and relive memories of the time she encountered EM Forster and had her heart stolen by an Italian maid in a particular Florentine room with a view.

In the 1960s, Florence, a pregnant 16-year-old, is banished to one of the remotest parts of the UK. Years later, Nell and Dougie are both at critical moments in their lives when their paths cross. Sometimes who we are goes way beyond where we are from. What happened to Florence? Why is Dougie so reluctant to return home? How can Nell make peace with the lies she's been told? 

Laura, an impoverished Cornish girl, meets her husband when they are both in service in Teignmouth in 1916. They have a baby, Charles, but Laura's husband returns home from the trenches a damaged man, already ill with the tuberculosis that will soon leave her a widow. In a small, class-obsessed town she raises her boy alone, working as a laundress and gradually becomes aware that he is some kind of genius.