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.

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.

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.

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.

Bristol 1939. At forty years of age, Mary Anne Randall still turns heads. With an abusive husband spending most of his wages on beer, she has resigned herself to be the sole breadwinner to protect her family and keep the wolves from the door. In order to make ends meet, Mary Anne runs a pawnbroking business from the wash house at the end of the garden. Following the outbreak of war an opportunity presents itself to escape her loveless marriage and find true love. Will she take that chance, or carry on living just for her children and not for herself?

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.

Paris, 1941. As we drive down the cobbled street, I take in the red banners with swastikas covering every building. Suddenly, a group of guards appears. I duck beneath the window of the car, and my heart thumps as my hand jumps to my chest. But I’m not wearing my yellow star now, I left it with my sister. Tears well in my eyes. Will I ever see her again?

At the heart of Dover's Market Square lies the Castle's Café. A bustling, homely place run by the formidable Nellie Castle and her six children. Since the scandalous birth of her beloved son 10 years before, Marianne, Nellie's eldest daughter, has preferred to stay in the kitchen, hidden away from the town gossips. Overcome with shame, Marianne has never revealed the name of Donny's father - not even to her own mother. But with World War II just around the corner, Marianne's past catches up with her. And suddenly the lives of the Castle family become a lot more complicated.

England, 1941: Life has always been cruel to Ethel. Raised in an orphanage by a merciless mistress, she never knew the meaning of love. And now she has fallen for the one man who is forbidden to her - Karl, a German held captive in the local prisoner-of-war camp. He might be the enemy, but he has her heart. When Ethel discovers she’s pregnant, she is labelled a traitor and shunned by all. The love of her life is torn away from her, but she vows to protect their precious daughter. But the unthinkable happens....

At 97 years old, Winnifred Ellis knows she doesn’t have much time left, and it is almost a relief to realize that once she is gone, the truth about her shameful past will die with her. But when her great-grandson Jamie, the spitting image of her dear late husband, asks about his family tree, Winnifred can’t lie any longer, even if it means breaking a promise she made so long ago....

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.

England, 1943: Home is no longer safe for eight-year-old twins Molly and Jacob. Night after night, wailing bombs and screeching planes skim the rooftops overhead. They cradle each other, shivering in terror, not knowing if they'll live to see dawn. Their mother, Martha, has no choice but to evacuate them to the safety of the countryside. At the train station, Martha bites back tears as she says good-bye to her precious children. Knowing she might never see them again, she gives Jacob a letter, pressing the envelope into his hands and telling him to only read it if they are in danger.

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, 1937: After a devastating childhood at Blakely Hall Orphanage, 15-year-old Sandra is released. She finds work as a housemaid, finally able to put her past behind her. But the start of World War Two throws the country into turmoil, and her brother, Alf, is sent away to fight, leaving her completely alone. Germany, 1939: Eleven-year-old Frieda is about to board a ship bound for England with her brother, Kurt. But at the last moment, as Frieda stands on the deck crammed with frightened children, she spots her brother jumping off, back to land.

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.