Winter, Liverpool, 1947. Evie Kilgaren is a fighter. Abandoned by her mother and with her father long gone, she is left to raise her siblings in dockside Liverpool, as they battle against the coldest winter on record. But she is determined to make a life for herself and create a happy home for what's left of her family. Desperate for work, Evie takes a job at the Tram Tavern under the kindly watch of pub landlady and pillar of the community Connie Sharp. But Connie has problems of her own when her quiet life is upturned with the arrival of a mysterious undercover detective.

As war looms in Europe, 18-year-old Jane Shaw runs the household as an unpaid servant on a meagre budget. When tragedy strikes and she loses her beloved younger brother in suspicious circumstances, Jane takes a position in service looking after Ned, a troubled young boy. Here she meets dashing David Heron, Ned's Uncle and they form an immediate attachment until she is dismissed after being accused of stealing a piece of jewellery. Returning home, Jane and her sister, Melia, are soon orphaned and left at the mercy of their Aunt Alice.

Cambridgeshire - March 1939. As the clouds of war begin to gather in Europe, the Talbot family of rural Blackberry Farm will be torn apart, just as so many families all over the world will be. Life will never be the same again. Whilst in London, the Salmons family will feel the pain of parting and loss. Brought together by war, the two families become intertwined and, as the outlook looks bleak, they must draw on each other’s strength to fight through the hard times.

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.

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.

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.

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.

London, 1935. Ruby is always hungry, but she will go without if it means her young brothers can eat. 1930s Bermondsey might be called the larder of London, with its pie, pickle and jam factories, but for the poor working classes, starvation is often only a heartbeat away. When Ruby's neighbour suggests she ought to go to the Methodist Mission for free food, Ruby knows her father will be furious, but she has no other option.

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....

Abandoned by her father and neglected by her self-centered, unstable mother, Sheila McGee cannot wait to escape the drudgery of her mill village life in Northern Ireland. Her classic Irish beauty helps her win the 1941 Linen Queen competition, and the prize money that goes with it finally gives her the opportunity she's been dreaming of. But Sheila does not count on the impact of the Belfast blitz which brings World War II to her doorstep. Now even her good looks are useless in the face of travel restrictions, and her earlier resolve is eroded by her ma's fear of being left alone.

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.

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.

The Yellow House delves into the passion and politics of Northern Ireland at the beginning of the 20th century. Eileen O'Neill's family is torn apart by religious intolerance and secrets from the past. Determined to reclaim her ancestral home and reunite her family, Eileen begins working at the local mill, saving her money and holding fast to her dream. As war is declared on a local and global scale, Eileen cannot separate the politics from the very personal impact the conflict has had on her own life.

Delia Sweeney has always been unlike her older sister - fair and delicate compared to tall, statuesque Nora, whose hair is as dark as Donegal turf. In other ways, too, the sisters are leagues apart. Nora is her mother's darling, favored at every turn, and expected to marry into wealth. Delia, constantly slighted, finds a measure of happiness helping her da on the farm. The rest of the time, she reads about far-off places that seem sure to remain a fantasy. Until the day a letter arrives from America.