London, 1910. Lily is 10 years old when she realises her grandmother, a washerwoman, is seriously ill. She's determined to do what she can to help and keep her grandmother's illness a secret - even from her beloved twin, Artie. When tragedy strikes and the twins are faced with the prospect of a workhouse or an orphanage, a benefactor offers to take Artie in and educate him. All Artie's needs will be taken care of - but the gentleman has no use for a girl. As the orphan twins grow up and take different paths, their new lives are beyond anything they could have imagined.

Clara Newton is the new Housemother of Shilling Grange Orphanage. Many of the children have been bombed out of their homes and left without families, their lives torn apart by the war, just like Clara’s. Devastated by the loss of her fiancé, a brave American pilot, she is just looking for a place to start again. But the orphans are in desperate need of her help.

Sarah Jennings knows there’s one place she can go to find some peace and quiet during her difficult divorce. But arriving at her beloved father’s home in the countryside, she finds him unwell and hunched over boxes of files, studying the records from Cedar Hall, the crumbling orphanage in town. He says that hidden behind the wrought iron gates and overgrown ivy are secrets about their family, and he asks for her help.

Maggie Bailey has not had an easy childhood. Her father, Michael, always too easy with his fists after spending the family’s rent money down the pub. Just sixteen, in love and blinded by promises, Maggie sees marriage to handsome Jack as her great escape. However, she soon finds herself abandoned with a beautiful baby when Jack disappears. Maggie is forced to seek a new life away from the East End of London and finds herself a job at a hotel in Yarmouth.

Jane Hadley has nothing to lose when she runs away to join the Women's Auxiliary Air Force. Whatever faces her in war-torn London can't be any worse than staying at home with her abusive father. The city is nothing like she could have imagined, but she's soon on the move, travelling from base to base for her top-secret training. Making plenty of friends along the way, it doesn't take long for Jane to embrace her growing confidence - especially under the attentive eye of dashing Officer Oscar Stanton.

June 1940. While her little sister, Rosie, is sent to the UK to keep her safe from the invading German army, Estelle Le Maistre is left behind on Jersey to help her grandmother run the family farm. When the Germans occupy the island, everything changes and Estelle and the islanders must face the reality of life under Nazi rule.

As a small child, Nellie Peace was always dreaming but sensed her mother’s rejection. Abandoned and sent into service at Beaumont House at an early age, Nellie is lost and alone until she meets the unpredictable and reclusive artist Lucas Harrington and falls in love with him. This unlikely association between master and servant is encouraged by Lucas’ gentle-natured Aunt Alice, as Lucas sees something unusual in Nellie and is compelled to paint her. Broken promises lead to inevitable heartbreak, and Nellie flees Beaumont House in disgrace for London.

Lady Joanna Harcourt and her daughter, Sarah, discover their life of luxury at Goodwill House is over. Because with Lord Harcourt away fighting, the Harcourt girls are facing financial ruin. Lady Joanna is terrified of losing their home, but for Sarah, this means her dreams of becoming a doctor are over. Headstrong Sarah isn’t one to quit! War or not, she’s determined to find a way to save her home and follow her dreams - whatever it takes.

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.

When Georgie, Iris and Nola's mother died and their father disappeared into his grief, the sisters made a pact: they would always be there for one another, no matter what. Now, decades later, they haven't spoken for years and can barely stand to be in the same room. As his health declines, their father comes up with a plan. In his will, he states that before they can claim their inheritance, they must spend six months living together in their childhood home in the village of Ballycove, Ireland, and try to repair their broken relationships.

Young and desperately in love, Merrin had the whole world ahead of her. But just as her new life was about to start, the ground beneath her feet was cruelly swept away. Devastated by the humiliation, she ran far away from the beloved fishing village she had always called home to lick her wounds and escape her gossiping friends and neighbors. It hasn’t been easy, but six years later Merrin has forged a new life for herself far from the sea, burying the impulsive girl she once was.

After escaping her controlling husband, Bernadette Manson is taking the first extravagant holiday of her new life. But when her best friend cancels, will she be strong enough to fly solo? Tadgh Donovan is about to jet off to his destination wedding when he sees a shocking text. Has his bride-to-be written her wedding vows… or already broken them? Hayley Ford is the wife of a top fertility specialist yet her battle to get pregnant has almost broken her marriage. Can a trip to the sun heal their relationship or should she brace for a crash landing?

In weekly phone calls to his daughter in Australia, widower Hubert Birdpaints a picture of the perfect retirement, packed with fun, friendship, and fulfillment. But it's a lie. In reality, Hubert's days are all the same, dragging on without him seeing a single soul. Until he receives some good news - good news that in one way turns out to be the worst news ever, news that will force him out again, into a world he has long since turned his back on.

Present day: Emma Lovett, who has dedicated her career to breathing new life into long-neglected gardens, has just been given the opportunity of a lifetime: to restore the gardens of the famed Highbury House estate, designed in 1907 by her hero Venetia Smith. But as Emma dives deeper into the gardens’ past, she begins to uncover secrets that have long lain hidden.

1950. In the wake of the war, Audrey Clarkson leaves her manor house in England for a fresh start in America with her young son. As a widowed war bride, Audrey needs the support of her American in-laws, whom she has never met. But she arrives to find that her longtime friend Eve Dawson has been impersonating her for the past four years. Unraveling this deception will force Audrey and Eve’s secrets - and the complicated history of their friendship - to the surface.