Thirteen-year-old Lisa escapes from Nazi Germany on the Kindertransport and arrives in England in August 1939. She can't speak a word of English, and among her meagre belongings is one precious photograph of her family. But when the Blitz blows her new home apart, she wakes up in hospital with no memory of who she is. The authorities give her a new name and despatch her to a children's home. With the war in full swing, what will become of Lisa now?

Hattie finds herself relegated to the factory floor on her return from the war. Her workmates are unforgiving at Hattie's attempt to raise herself up, and she is soon ostracised. After journeying to Australia to marry her husband, Clara is betrayed and returns penniless, homeless and trying to raise a child alone. Lou's daughter and parents are killed by a bomb blast. By day she works at the factory; by night she roams the bomb sites, half mad with grief. These women forge a bond that will ultimately allow them to find hope.

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.

After the Franco-Prussian War and the siege of 1870-71, the St Clair family return to Paris, seeking refuge and security, only to be swept up into the terrible cruelties and violence of the Commune. Here their young daughter, Hélène, falls ill and, in an unlucky twist of fate, becomes separated from her family. Alone and frightened, she has to fend for herself on the war-torn streets. Meanwhile, her two brothers face each other as mortal enemies across the barricades. 

When Adelaide Anson-Gravetty finds out her father is not the man who raised her, she is both shocked and intrigued. Determined to find out more about her new family, she travels to the convent of Our Lady of Mercy in France to meet her aunt, the Reverend Mother. But when France falls to the German army, Adelaide and the nuns are soon in the thick of a war that threatens both their beliefs and their lives. 

Dartmouth Circle is quiet and exclusive - just the way its residents want it to stay, especially arch busybody Sheila Colby. When she hears that the house next door to her has been bought for a student and four friends to rent, she is incandescent. Nothing in this outwardly serene little cul-de-sac is quite as it seems - will the arrival of Madeleine 'Mad' Richmond and her friends bring seething tensions and dark secrets bubbling to the surface?

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. 

1921. In the sleepy village of Charlton Ambrose, eight ash trees stand as a timeless memorial to the men killed in the Great War. On a dark and chilly night, a ninth tree appears. Who planted it and why? And who was 'the unknown soldier' for whom it is marked? 2001. Eighty years later, the memorial is under threat from developers. Local reporter Rachel Elliott is determined to save it and to solve the mystery of the ninth tree. 

Rita and Rosie Stevens are only nine and five years old when their widowed mother marries a violent bully. Under pressure from her new husband, she is persuaded to send the girls to an orphanage. It is not long before the powers that be decide to send a consignment of orphans to their sister institution in Australia. Among them, without their family's consent or knowledge, are Rita and Rosie, the throwaway children.

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....

One thing unites the wealthy Farthing family and hardworking Dilly Carey - Olivia, the daughter Dilly gave to the Farthings years before. Dilly is still living with the consequences when unmarried Olivia arrives on her doorstep, with a baby girl in tow, begging for help. Olivia has a secret she only feels safe telling Dilly. Sworn to secrecy, Dilly agrees to help. She will find a way for Olivia to keep her daughter without revealing the true circumstances of her birth.

As WWII rolls across Europe, Kitty boards a ship set for England. Money is what she really needs right now, especially with tiny baby Billy back in Dublin. In Lancashire, Kitty settles into the hard work and soon makes new friends, playing in the Bomb Girls Swing Band by night. Life seems to be looking up. But when a letter arrives from home, she realises she might need her friends’ help before it's too late and she loses her baby forever....

Christmas is coming to the Four Streets. But so is trouble. In the biting cold there is no work for the men on the docks, no food for their tough, resilient womenfolk to put on the table. Children go hungry. What wouldn't their mothers give for just one cuppa? News comes of a tramp steamer making its slow way through the thick yellow fog of the Mersey. Ready for the men of the Four Streets to siphon off some of its precious cargo: tea, cigarettes, rum, rice, bananas and dried fruit, treasure to store in lucky shed seven with its broken lock, to be shared out between hungry families. 

In 1940s London, each cobbled street is strewn with ghosts of soldiers past. And for the women, their battles are on the home front. Flossy is embraced by the colourful mix of characters working at Trout's, who have turned their sewing expertise to war work. Dolly Doolaney, darling of the East End, helps Flossy settle into wartime life. All of the sewing bees play their part in defending the front line, but as the Blitz hits London, can Dolly manage to contain the secret that binds them all?

As London goes up in flames during the Blitz, two sisters from Bermondsey find their lives changed out of all recognition.... When a bombing raid destroys nearly everything she holds dear, May joins the ATS and becomes a gunner girl. Peggy, May's elder sister, is trapped in a stifling marriage, yet amid the chaos of war, a route to freedom beckons. From war will come hardship and tragedy as well as new, unexpected friendships and love affairs.