Hampshire, 1913. Amidst the glitz and glamour of England’s High Society, Sarah Trenwith is more of a wallflower living in the shadow of her beautiful sister Marianne. But as the war approaches Sarah will have to step out of the place society and her family have assigned her if she’s to do her part and claim the love she always dreamed of from afar.

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.

It is 1939, and working-class Evie Bishop has received a scholarship to study mathematics at Oxford when tragedy turns her life upside down. Evie must seek a new future for herself and, inspired to contribute to the war effort, joins the Women’s Auxiliary Air Force as an Ops Room plotter. Posted to a fighter station on the Sussex Coast, Evie befriends two other WAAFs. But the German bombers seem to know more than they should about the base’s operations, and soon Evie, May and Jess are caught up in a world more dangerous than they ever imagined. 

When Stefania Carmichael steps into the mysterious world of Bletchley Park, she immediately finds herself signing the Official Secrets Act. In whispers, she is told that she’s been recruited because of her talent for languages. Before the war ripped Europe apart, Stefania was living in Rome, charming everyone she met, and engaged to the man of her dreams, handsome and brave Matteo. And now everything has changed. With secrets swirling around the building, Stefania finds it hard to know who to trust, until she forms a close bond with two other new recruits.

Laura Collins is struggling to make a good life for her daughters, Tess and Tina. So when she is offered a good job, with accommodation, she is delighted. Life is very different for the Brewsters who live on Manor Farm in Herefordshire. Danny plans to marry one day so that he can take over the farm, whilst his cousin, Phil, longs to escape the world of farming as soon as possible. War changes all their plans.

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.

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.

Bristol 1939. At forty years of age, Mary Anne Randall still turns heads. With an abusive husband spending most of his wages on beer, she has resigned herself to be the sole breadwinner to protect her family and keep the wolves from the door. In order to make ends meet, Mary Anne runs a pawnbroking business from the wash house at the end of the garden. Following the outbreak of war an opportunity presents itself to escape her loveless marriage and find true love. Will she take that chance, or carry on living just for her children and not for herself?

September 1939. London is in blackout; war has been declared, but Dulcie Treadwell can think only of her heartbreak over American broadcaster, Glenn Reeves, who didn’t say goodbye before leaving for Berlin. Posted to Bletchley Park, Dulcie must concentrate on helping the war effort by cracking the German Enigma codes. The hours are long and the conditions tough, with little recognition from above. Until she breaks her first code. Dulcie finally settles into something she was born to do. But just as she’s proving her worth, a shocking betrayal leads to Dulcie’s brutal dismissal.

In a village in Wiltshire, just off a busy road, Larch Tree Lane winds slowly up a low hill. Among the residents is Maggie Hatherall, full of life despite her advancing years, who worries what she is going to do with her 200-year-old home. Lucia Grey has escaped a bad marriage but her ex is reluctant to let her start a new life free of him. And for architect Corin Drayton, an unexpected inheritance is the start of a complicated family wrangle. From the cottages and farms to the local shop, pub and old manor house, the residents' lives are set to intertwine and relationships bloom.

1901. Tina Rose is the beloved daughter of a wealthy Jewish family while Edward grew up with an abusive father in the wilds of New Zealand. Despite their differences, the two fall madly in love when Edward arrives in England, looking for a better future. However, the consequences of their love affair are terrible for Tina, as she is shamed by the father she adores, and Edward is sent away. Against all the odds, Tina and Edward find each other again.

London, 1941. The Blitz. When a Royal Navy memo arrives at head office, requesting female recruits to sign up as motorcycle dispatch riders, delivering highly classified orders across the country, three women jump at the chance to sign up for the most dangerous jobs in London.

It's 1957, and three young women are beginning their nursing training at the Florence Nightingale Hospital in London's East End. Winne desperately wants to win her mother's approval - but will following in her footsteps and becoming a nurse help? Tearaway Viv has never been one to follow the rules, though the Nightingale may help her mend her ways. Beth is following her late sister's dream by training as a nurse. Will it be the right path for her? There's a steep learning curve ahead. But with friendship on their side, the Nightingale Daughters are ready to rise to the challenge.

It's 1938, and Cadi is chosen to be Rose Queen in the annual Rose Fete. She is thrilled to be treated like royalty for the day. But deep down she is desperate to leave the Welsh mining community where she grew up. When war is declared, Cadi and her best friend, Poppy, see a chance to escape. Cadi leaves behind her parents and local boy Aled, whom she is meant to marry, for Liverpool.

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.