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.

Laura Cannock is on the run. Suspected of killing her bullying husband, his family are on a merciless prowl for revenge. Fleeing from her beloved home of Bolton to Manchester, Laura seeks refuge with her coal merchant uncle. But it soon becomes clear that a roof over her head comes with a price - of the type so unbearable she must escape once more. Destitute and penniless, a stench-ridden housing court in the back streets of the factories is Laura’s only hope of a dwelling - a place where both the filth and the kindness of neighbours overwhelm.

Hull, 1940. Widowed Edie Copeland has just arrived on Exchange Street, heavily pregnant and with heavy suitcase in tow. She left York after tragedy struck to make a fresh start, but she's a stranger to this street, and her new landlord doesn't hesitate to remind her of this, widow or not. Luckily, the neighbours are a little more welcoming and Edie is soon made to feel at home by the Maguires and the Scuttles. As air raids sound and the war feels closer than ever, the community has to stick together. But Edie is hiding something, and she doesn't know how much longer her secret is safe.

Two very different girls from this tight-knit community join up as ARP Wardens to do their bit for the home front. Violet Simms lives with her controlling, widowed mother who runs the local pawn shop. At just 20-years-old, Violet longs for friendship, love and escape. It seems her dreams might come true until tragedy strikes on one of the very worst nights of the Birmingham Blitz. Grace Templeton is the eldest in her family of 10 children. Spirited Grace is determined never to become burdened by child bearing and drudgery like her mother. 

December 1930. With the Depression biting deeper, it looks like many children in the East End will wake up to nothing on Christmas morning. Widower Robbie Graham earns just enough to put food on the table for his children, Ben and Ruthie. Local cake shop owner Flo Hawkins can't bear the thought of any child having nothing for Christmas. Along with her sister, Honour, she hatches a plan to bring some festive cheer to the community.

Christmas Eve, 1909. When 11-year-old Lily Larkin is left to fend for herself in an East London workhouse after her dying mother is taken to an infirmary, her future looks bleak. Once she is separated from her twin brother, Davy, her childhood hopes seem to shatter. But Lily's fierce spirit - along with her beloved new friends - help her to endure the miserable drudgery of life at South Grove Workhouse and its cruel supervisor, Miss Fox.

Newly married to dashing RAF officer Tom, Irene Farley leaves behind her safe countryside life to move in with his family by the docks in South Shields. Little prepares her for the devastation the Jerry bombers have wreaked on the Sixteen Streets or that they would be living under her mother-in-law's roof, alongside Tom's three brothers and two wives!

It wasn't a privileged childhood, but it was a happy one. Sybil and Lizzie Cream, brought up in a fisherman's cottage on the edge of the cold North Sea, were content to leave privilege where it belonged: with their friends the Wintertons. Christina Winterton was the same age as Sybil, and the two girls were inseparable, but it was Lizzie whom Ralph Winterton, three years older, found irresistible. Then war came to East Anglia, and so did Manchester-born Fenn Kitzmann, now of the American Army Air Force.

August 1940: As the Luftwaffe swarm over Liverpool, Shane Quinn decides to move his family back to the safety of Ireland. But his only child, the beautiful Dana, would rather stay and serve her country than flee to a foreign land. Determined to make it on her own, she joins the WAAF with newfound pals Patty and Lucy. There’s plenty of excitement to be had on a RAF station, even a chance or two at love.

Seventeen-year-old Constance has had a privileged upbringing in Clapham, with staff to attend to her every need. But her parents have always been cold and distant, never showing her love.Craving affection, Constance falls into the arms of Albie Jones, the cook’s grandson. But one fateful encounter leaves her ashamed and pregnant, and she is soon shunned from the family home. Heartbroken and threatened by scandal, Constance is forced to wed Albie and moves to Battersea, where she suffers unforgiving stares and cruel whispers from the neighbours. 

In February, 1922, at the western-most entrance to Victoria Station in Manchester, a massive plaque was unveiled. Beneath a vast tiled map showing the lines of the Lancashire and Yorkshire Railway network, a series of seven bronze panels recorded the names of the men of the Lancashire and Yorkshire Railway who gave their lives for King and Country in the Great War - a total of 1,460 names. In March, 1940, a group of women of varying ages and backgrounds stands in front of the memorial, ready to do its bit in this new World War.... 

Liverpool, 1939. Bella Rogers thought her life was just starting; she can’t wait to get married to her childhood sweetheart, Bobby. But when war is declared and Bobby is called up, his letters stop, leaving Bella heartbroken and alone. Then her family is torn apart by tragedy when her angelic 5-year-old sister dies from a terrible illness. They can barely afford a funeral, but the church is packed with the entire community, devastated for their loss. Grieving for her sister and lost love, Bella finds a job at the Bryant and May factory, making matches.

Seventeen-year-old Liza is happy working as a lady's maid - until her employers decide to emigrate and her father makes up his mind that she is to wed an older widower whom she detests. Determined to avoid a loveless marriage, Liza plans to run away. But when the widower rapes her to force her to marry him, she flees back to the family for whom she worked. She feels she has no choice but to go with them to Australia, and they all set out on the long voyage. On board ship, Liza discovers to her horror that she has fallen pregnant. 

Sunderland, 1940, and the women go to the shipyards to do their bit for the war effort. Polly never dreamed she would be able to work in the shipyards like the men in her family but times are tough and her new job ends up giving her more than she ever expected when she meets enigmatic dock diver Tommy Watts. During the day, head welder Rosie teaches her fledgling flock of trainees their new trade, but at night she hides a secret life. And mother hen Gloria signs up to escape her brutal husband, but finds she cannot run....

Rachel Smedling is not like the other women in her isolated Pennine village: she is taller, stronger, and weaves cloth like a man. Without her, the household would fall apart, for her mother is ailing and her vicious drunkard father seems to hate her so much, he would happily offer money to any man who would wed her. When her mother dies, Rachel is at the mercy of her increasingly violent father. Her only escape is by marrying a kindly man with whom she finds happiness, if not passion, and her life begins to seem complete.