1943, Hampshire. Pixie Saunders is 19 and employed in the local armaments factory. Not for the first time, her mother has run off with a dodgy-looking bloke, leaving Pixie to pay the rent and fend for herself. Pixie, along with her best friend, Rita; Em, the factory overseer; and the rest of the girls are making the most of the war while trying to stay alive. The work is dangerous and the hours long, but in the evenings they take off their overalls and go to the pub or, better still, go dancing.

Rainey Bird, Ivy Sparrow and Bea Herron all love to sing. For Rainey, music has been a solace during the upheaval of starting a new life with her mother, away from her abusive dad. Bea finds a confidence when she sings that she cannot get from anything else. Ivy sees it as her best chance of making a life away from Gosport and a dead-end job.  The three of them sing in a choir run by the strict but kind Mrs Wilkes. The choir provides a couple of hours of stardust each week, away from school and work and family worries.

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.

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....

Lillian is distraught - she must register for compulsory war work. Emily is also furious - her dream job as a chef will have to be put on hold, whilst Alice must abandon her plans of college. Staring at an identical letter, Elsie feels a kindling of hope, and down in London Agnes is packing her bags with a smile. Sharing grief and joy, lost dreams and gained opportunities, the five new bomb girls will find friendship and strength that they never before thought possible.

1949. Peggy and Able Ronoscki's seaside cafe in Devon is thriving, and their twins, Fay and Freddie, are growing up fast. To pursue her daughter’s destiny, Fay must train in London and Peggy is faced with a dilemma of moving the family back to London once more. Meanwhile, Peggy’s elder daughter, Janet, has her own troubles. She fears her husband is having an affair and is desperately unhappy. Peggy is torn two ways and can only hope that a reunion with her friends at Christmas can help resolve her problems. 

Maureen Jackson is a prisoner of her father's blackmail. Three years ago, she'd been hoping to marry Rory, the man of her dreams. However, after her mother's death, Maureen was left to care for her overbearing father. Now Rory is back in London with his pregnant wife and reminds Maureen of the life that should have been hers. With the war looming, Janet Ashley hopes to marry her sweetheart Mike, but her father refuses to grant them his blessing. Janet finds herself pregnant and her mother Peggy is determined to hold her family together.

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.

Vee Smith is 22 when she starts work on Gosport's ferries, taking a job left vacant by the men gone off to war. She soon makes friends with the other women workers, and together they enjoy nights out dancing in Gosport. Vee even feels herself falling for Sam, the skipper of the ferry and her unhappily married boss. But Vee has a secret: her real name is Violetta Schmidt, and she is half German. If her true nationality is discovered, she and her mother could find themselves interned as enemy aliens.

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.

Gosport, Hampshire, 1943, and even in the middle of war the local pub provides a warm welcome, thanks to its trio of barmaids. Ruby has been living and working at the Point of No Return pub since her parents were killed by a bomb. She loves the bustle of the pub; it helps take her mind off worrying about her fiance, Joe, away fighting in France.

August 1941: As war sweeps across Britain and millions of men enlist, women must fight the battle on the home front. Fran always thought she would marry her childhood sweetheart and live in Massingham, the beloved pit village she has always called home. But the opening of a munitions factory in the north-east of England presents a new opportunity. Against her father's wishes and with best friends Sarah and Beth by her side, Fran signs up to join the ranks of women at the factory. It's dangerous work, but the friends discover that their lives are only just beginning. 

After the heartbreak of World War Two, newlywed midwife Cathy hoped Liverpool life would offer some joy. But a terrible miscarriage and the escape of her abusive stepfather Jack from prison make happiness hard to find. Meanwhile, Cathy’s beloved granny is ailing. Whilst at the hospital, Cathy sees her midwifery friends, who are planning to open a home for unmarried mothers. After losing a baby of her own, Cathy would love to help, but for now, she must take care of her grandmother.  

It's 1941 and Britain is at war. For the aristocratic Walsingham family this means their grand home being taken over by the armed forces. But for newcomers Ava, Maudie and Bella, this is a chance for something more. Each is ready to do their part for the war effort and soon become firm friends. But Lord Edward Walsingham seems like he is hiding something. And although he may be clever, he might have met his match in Maudie and the girls....

Elsie Barker is desperate for a new start after her husband leaves her. When her friend Izzy, herself planning an escape from her abusive boyfriend, tells her about the jobs going for women as narrowboat crew on the canals between London and Coventry, she jumps at the chance. Their new boss, Dorothy, is kind and fair, but it's clear she has a secret of her own. Their crew is completed by Tolly, searching for a new vocation now that her dream job has been snatched away. The work is hard, but the girls forge close friendships that will see them through the darkest times.