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.

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.

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.

Bristol 1936. Jenny Crawford has resigned herself to a loveless marriage living hand to mouth with their two children. Like many others, husband Roy struggles to find work at the docks but a chance encounter turns the family's fortunes around. Not only does he get regular work but they are also allocated a council house on Coronation Close on the outskirts of the city. Jenny and the children are overjoyed, this is the fresh start she could only ever dream of. But trouble feels never too far away.

The war has ended; the men are returning home to their loved ones, but for some, things have changed. Charlotte Hennessey-White's husband, David, is no longer the gentle loving man he once was and Charlotte, so independent during the war, is devastated. Edna Burbage's strong fiancée, Colin, has suffered appalling physical injuries. He won’t hold her to her promise of marriage, but she insists her feelings are unchanged. But is that true? And Polly Chandler's sweetheart, Gavin, who’d she’d planned her whole future around, hasn’t come home at all.

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.

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.

London, 1942: Thirteen-year-old Nell and five-year-old Olive are being sent away from home to escape the devastation of the East End during the Blitz. Leaving behind their beloved mother and brothers, they don’t know if they will ever see them again. As the sisters adjust to their new life in a close-knit Welsh village, they gradually find hope in the friendships they make. And Nell kindles a special bond with fellow evacuee Jimmy, who makes her smile even at the hardest of times. But when little Olive’s safety is threatened, Nell makes a decision that will change their lives forever.

Rita and Rosie Stevens are only nine and five years old when their widowed mother marries a violent bully called Jimmy Randall and has a baby boy by him. Under pressure from her new husband, she is persuaded to send the girls to an orphanage, not knowing that the papers she has signed will entitle them to do what they like with the children. And it is not long before the powers that be decide to send a consignment of orphans to their sister institution in Australia. Among them - without their family's consent or knowledge - are Rita and Rosie.

When the call finally comes, my life as I know it is over—my job as a teacher, my marriage, my family are all gone. In a heartbeat, I’ve lost everything that ever mattered to me. All because of one secret and what someone thinks she saw....

Bristol, 1939. School leaver Maisie Miles suspects her father, a small-time crook, has an ulterior motive for insisting she gets a job at the W. D. & H. O. Wills tobacco factory but keeps it to herself. She's befriended by effervescent Phyllis Mason and kind-hearted Bridget Milligan who take pity on her and take Maisie under their wing. But beneath their happy-go-lucky exteriors, they all harbour dreams and worries about what the future holds.

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.

Robinswood, Co. Waterford, 1939. The once grand house is home to two very different families. Despite delusions of grandeur, Lord and Lady Kenefick and their adult children live a life of decayed opulence as the money needed to keep such a large house and grounds ever dwindles. Meanwhile, the Murphy family, Dermot, Isabella and their three almost grown-up girls, live and work on the estate and do their best to keep everything running smoothly.

England, 1918. Armistice Day should bring peace into Leonora's life. Rather than secretly making cosmetics in her father's chemist shop to sell to army nurses such as Joan, her adventurous Australian friend, Leo hopes to now display her wares openly. Instead, Spanish flu arrives in the village, claiming her father's life. Determined to start over, she boards a ship to New York City. On the way she meets debonair department store heir Everett Forsyth....

In August of 1939, as Britain watches the headlines in fear of another devastating war with Germany, three childhood companions must choose between friendship and country. Erstwhile, socialite Nora is determined to find her place in the Home Office’s Air Raid Precautions Department, matchmaker Hazel tries to mask two closely guarded secrets with irrepressible optimism, and German expat Marie worries that she and her family might face imprisonment in an internment camp if war is declared.