Ireland, 1924. For 13-year-old Nora Doyle every day is a fight for survival in Ballybun, the rural Irish village she calls home. Each night, as she feels the cold wind blowing through the cracks of her family’s cramped cottage, Nora longs to escape the poverty surrounding her and find her place in the world. When she meets Edward, from the grand house that looms over her tiny village, she feels an unlikely kinship that is impossible to explain, and as she grows from an impulsive child into a beautiful woman, Nora spends every moment she can with him.

Dublin, 1952. When Mary Kate Ryan receives a surprise inheritance from the woman who abandoned her as a tiny baby, she’s stunned. All her life, she has longed to know why her mother disappeared, and now she’s devastated to realize that every lonely night she spent without a home or family of her own, her mother knew exactly where she was.

London 1940. As the war rages in Europe, Rose Brown steps on board a ship bound for America, hoping to escape the danger. She's frightened, but her widowed mammy and three sisters in Ireland need the money she earns as nanny to the rich Townsend family. But while Rose plays with baby Sarah in the salty spray on deck, disaster strikes, and the ocean liner begins to sink. In the chaos, Rose and the baby are separated from the family.

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.

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.

I never expected to have to uproot my family to go live in my parents’ isolated cottage on Lost Lake. It’s twenty miles to the nearest town, an insignificant speck in endless pine forests. Nobody’s lived here for a decade. Now, I pick up a rusty pail from its nest of autumn leaves and turn to my daughter. Suddenly, I recall how I used to help my own mother pick wild strawberries up here as a little girl. Maybe, this isn’t a punishment. Maybe this place will be the making of our family.

A lost girl. A mysterious house in Ireland. An invitation that changes everything. Twenty years ago, at the end of a hot long Irish summer, three sisters walk down to the cool lake at their home, Swan Hall. As Maeve and Aisling watch their beautiful younger sister Nuala laughing and splashing, it is hard to hide their envy of her. But later that morning, when Nuala drowns, they are devastated. Now, as Iris scatters the ashes of her beloved mother Aisling onto the golden leaves of Central Park, she feels very alone.

I reach out, arms aching to hold my newborn baby, and catch just a glimpse of soft, dark brown hair before someone pushes me back onto the bed. "It’s alive," says the woman who delivered my child before she places something over my face. My last thought is of my baby’s first cry before my world goes dark.

On a leafy suburban street in Dublin, beautiful, poised Stella Greene lives with her successful husband, Matt. They're the perfect couple in every way, and Stella appears to have it all. Next door, at number 72, however, lives Rea Brady. Gruff, bad tempered and rarely seen besides the twitching of her net curtains, rumour has it she's lost it all...including her marbles, if you believe the neighbourhood gossip. But appearances can be deceiving, and when Stella and Rea's worlds collide they realise they have much in common.

Yorkshire Dales, 1850. As a terrible storm rages, Annabelle Wallis is shocked to find a distressed young woman at her cottage door, heavy with child. Moments later a baby girl is born. But by dawn, the mother has vanished, leaving behind the helpless child wrapped only in a silk peacock shawl. When news spreads that Lady Eliza Hartley, sister to a wealthy estate owner, has been found dead, Annabelle realises the terrible secret she has stumbled on. Terrified she’ll be blamed for Eliza’s death, Annabelle flees to the slums of York, where she plans to raise the orphan as her own.

When Tessa arrives at the little house by the lake with her two children, it is an escape. The rental house may be a bit small – but it’s theirs for the summer. A place to hide.... However, their isolation is disrupted by the family from the big house next door. Three children and their glamorous mother Rebecca – who seems determined to invite Tessa into their lives.

Janey is 18 and living in a small flat with her baby daughter. Just as her new life starts to show promise, her past catches up with her. Nicole is renting one of the new luxury flats. She’s just walked away from her husband and teenage sons, tired of being treated as a servant, suspecting her husband of having an affair. Winifred has lived in her large family home for over 80 years but it’s all getting too much, though she doesn’t want to leave. Things are not what they seem, and danger can strike both rich and poor.

Lancashire, 1895. When her controlling stepfather suddenly dies, it seems that Elinor Pendleton finally has a chance of freedom. But her hopes are soon dashed when she learns that the thuggish Jason Stafford has inherited every penny, and is determined to have Elinor too. Forced to flee with her maid, Maude, Elinor finds shelter with Maude's distant cousin in the remote village on the shore of Jubilee Lake. But Walter Crossley has troubles of his own. Having lost his closest family in a tragic accident, he needs one of his grandsons to return from America to inherit his farm.

Dilly is devastated: with her husband unable to work and four children already at home, they cannot afford to feed their newborn baby. Heartbroken, she delivers her baby girl to the Farthing family, who have just lost their own daughter to measles. This act of desperation will change the lives of both families irrevocably. But when the chance for true love finally comes, will Dilly choose family over her own happiness?

Old secrets emerge, tempers flare. And so we parents decide to leave the beach, telling the teenagers to enjoy themselves, reassuring them someone will be back to collect them in an hour or two. But when I return later, I know something is really wrong. Our teens are slurring their words, stumbling to the car. It’s clear they have been drinking, and I’m shocked. I never expected our kids to behave this way. I’m bracing myself to have firm words with them in the morning, but the next day my concerns fade to nothing when 17-year-old Bella claims my son Finn assaulted her.