London, 1917. After the death of their parents, Victoria did everything she could to keep her siblings safe. Working at the Foyles Bookshop with her best friends is a dream come true - but now the war has put everything she holds dear in danger. With her brother fighting on the frontline, Victoria wants to do her part. Little does she know that volunteering to spend time with injured soldiers at Endell Street Military Hospital will reward her in ways she could never have imagined.

September 1939. London is in blackout; war has been declared, but Dulcie Treadwell can think only of American broadcaster, Glenn Reeves, who didn’t say goodbye before leaving for Berlin. Heartbroken, Dulcie is posted to Bletchley Park, where she must concentrate instead on cracking the German Enigma codes. The hours are long and the conditions tough, with little recognition from above. Until she breaks her first code. But when a spiteful act of jealousy leads to Dulcie’s brutal dismissal, her life is left in pieces once more. 

As Hitler’s bombs rain down on a battered and beleaguered Britain, Ruby Shadwell is dealt the most devastating blow - her entire family lost during the Coventry Blitz. Alone and with the city in chaos, Ruby is determined to survive this war and rebuild her life. And a chance encounter with street urchin Tommy gives Ruby just the chance she needs. Because Tommy brings with him Canadian Sergeant Jean-Paul Clayton.

Bridget Milligan has donned a uniform and joined the nursing services where she becomes intrigued with the miracles of modern medicine. She’s also torn between family loyalty, her new career and Lyndon O’Neill, the love of her life. Is it too impossible to hope that everything will come out right in the end? Phyllis Harvey is still serving in Malta where she sees the casualties of war first hand. Finally it seems like Phyllis is blessed with true in love, but fate can sometimes be a rocky road and nothing is that certain.

1915. After the recent dramatic events at the Home Depot, Milly Woods is looking forward to spending as much time as possible with her post office girls, Nora and Beth - known as Liza to her friends. With Christmas fast approaching, their job of getting millions of letters and parcels to the troops on the front line is more important than ever. But when Milly is moved to a different department, she and the girls struggle to find time to spend together.

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.

It is 1937, and Alice, Edith and Marg continue to face hardships every day, growing up on one of the poorest streets in Blackpool. Penniless, their friendship has helped them survive this far, but it'll take more than that to see them through the dark days ahead. Alice is coping with a violent father. Marg is left reeling after a dark secret about her birth comes to light and threatens to destroy the life she knows, and Edith is fighting to protect her alcoholic mother from the shame of their neighbours and keep her brother on the straight and narrow. 

Three very different women work together at Cadbury's Bournville factory, and their lives become entwined by war and work: and a child called David. Edie, the main character, marries young to escape her unhappy family home. Widowed at 19 and, after losing her child from the marriage, she faces the war grieving and lonely. Then one night during the Blitz, an infant mysteriously abandoned during the bombing is handed into her care.

London, 1942. Charlotte Fenimore is back home on a week's leave from the Women's Auxiliary Airforce. She had planned for a week of rest and recuperation. She hadn't planned to fall deeply in love with an irascible detective called Dan Chalmers, a wounded hero of Dunkirk who believed no woman would ever look at him again.

July, 1916. In the Rhymney Valley, young mother Violet Jones is caring for four-year-old Clarice and baby Benjy on her own, while husband Charlie fights on the Front Line. When tragedy strikes, Violet’s life becomes even harder. Violet takes in a relative to help make ends meet. As the Great War takes its toll on the nation, Violet faces her own battle. Can she protect her children? And will she ever find joy out of the depths of despair? 

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.

November, 1915. For young housemaid Anwen Rhys, life is hard in the Welsh mining village of Dorcalon. She cares for her ill mother and younger sister Sara, all while shielding them from her father’s violent temper. Anwen comforts herself with her love for her childhood sweetheart, Idris Hughes, away fighting in the Great War. Yet when Idris returns, he is a changed man, quickly breaking off their engagement. But when there is an explosion at the pit, Anwen and Idris put their feelings aside to unite their community. Can Anwen find hope again?

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....

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? 

Aurora Pettigrew has a loving family, a nice home, a comfortable life. She's waiting for the right man to offer marriage, and the man for her is Reid Sinclair, heir to the Sinclair fortune. But Reid's mother is against the match and unearths a secret that will tear Aurora's world apart. Unwilling to bring shame on her family and needing answers, Aurora moves to York. By chance, she reconnects with a man from her past, and before he leaves with the army to war in South Africa, he offers her security through marriage.