Following a humiliating experience involving the man she thought she’d marry, Iris Tredwick signs up to the Wrens in order to escape and - hopefully - find ‘the right sort’ of man to please her mother. After a bumpy start, Iris manages to befriend outspoken Mary and dreamer Sally as they are sent to their first posting - in Orkney. There she meets engineer Rob, whose flirtatious nature both charms and confounds straight-laced Iris. Much more appropriate for her is local doctor Stewart, if only she felt the same spark for him as she does for Rob.

1941. The Blitz rages over London. And even in Cornwall, the war is being fought. When Violet loses her sister in the Blitz, she must take her nieces to safety in Cornwall. On the coast, she meets carefree chorus girl Eva, who is also running from the dangers of London. But Porthcurno hides a secret military base, and soon Violet and Eva realise there’s a battle to fight in Cornwall, too. Together with local Hazel, who works on the base, they must come together to help the war effort. But will their friendship be enough to keep them safe?

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.

Billeted together in the attic of Latimer House—a place where secrets abound—Evelyn, Betty and Judith soon form a bond of friendship that carries them through the war. Because nothing is stronger than women united. Tucked away in the Buckinghamshire countryside, Latimer House, a grand country estate, stands proudly—a witness to some of greatest secrets of WW2.

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....

It’s 1941, and young Lily Collins is starting work in Midlands department store Marlow’s, whose gleaming facade has fascinated her since childhood. As the air raid sirens blare, Lily learns the ropes from her sophisticated boss, Miss Frobisher, alongside shy fellow junior Gladys. But her burgeoning friendship with young salesman Jim draws her into a swirl of secrets within the store. And with the war progressing to crisis point, Cedric Marlow and his staff must battle nightly bombings and the absence of loved ones to keep going.

Orphan Kitty Pattison is young, naïve and ready to do her bit for the war effort when she volunteers with the Red Cross and pledges to help those most in need. It’s one of the most nerve-wracking moments of her life, but then she meets fellow volunteers Joan Norfolk and Trixie Dunn, and a bond of friendship is forged in the fire of life on the wards during the Blitz.

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.

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.

Three very different girls sign up as trainee nurses at a big London teaching hospital in 1934. Dora leaves her overcrowded, squalid working-class home for a better life. But has she got what it takes to keep up with other, better-educated girls? And will her hated stepfather ever let her go? Helen is born for the job; her brother is a doctor, her all-powerful mother a hospital trustee. But will Helen’s secret misery be her downfall? An aristocratic rebel, Millie’s carefree attitude will find her up in front of Matron again and again. Will she ever care enough to make a nurse? Or will she go back to the glamorous life she was born to?

In a different world, Evie Milton would have accepted her fate, married an aristocrat and become the doyenne of one of England’s finest estates, just like her mother. In a different world, Rose Wiley would have married her fiancé, David, established a modest homestead and brought up a brood of babies, just like her mother. But this isn’t a different world, and these women are not their mothers. Rose dreams of a life filled with more than family and duty to her husband—a life of purpose—and Evie dreams of a life far away from her rarefied existence.

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.

West Yorkshire, 1926. After completing her training in Steeple Street, Agnes is looking forward to making her mark as the village's first district nurse, confident she can make a difference in the locals' lives. But when she arrives, she's treated with suspicion, labelled just another servant of the wealthy mine owners. The locals would much rather place their trust in the resident healer, Nella Black.

London, 1940. Emmeline Lake is Doing Her Bit for the war effort, volunteering as a telephone operator with the Auxiliary Fire Services. When Emmy sees an advertisement for a job at the London Evening Chronicle, her dreams of becoming a Lady War Correspondent suddenly seem achievable. But the job turns out to be working as a typist for the fierce and renowned advice columnist Henrietta Bird. Emmy is disappointed but gamely bucks up and buckles down.

Liverpool, 1941. Troubled by a dark family history and the pain of seeing her country torn apart by war, young June Lavender finds new hope when she takes a job at the Dr Barnardo's children's home. There she meets Lizzie McRae, a little girl who is the spitting image of June's sister, who died tragically years before. Against the matron's wishes, the two girls form an unexpected bond as June tries to get the traumatised orphan to speak.