London, 1914: one ordinary day, three girls arrive for work at London's renowned Foyles bookshop. But when war with Germany is declared, their lives will never be the same again.... Alice has always been the 'sensible' one in her family - especially in comparison with her suffrage-supporting sister! But decidedly against her father's wishes, she accepts a job at Foyles Bookshop; and for bookworm Alice it's a dream come true. But with the country at war, Alice's happy world is shattered in an instant.

When duty calls, East End girl Minnie Wolton isn’t afraid to do her bit. She’s excited to be joining the ATS girls and although she knows life at the barracks will be tough, she’s not one to quit! She just hopes the other girls are all good sorts. With her husband away fighting, Eileen Ruffel is glad of the break from her unhappy marriage. She just wants to make a success of the ATS girls and maybe find happiness too. Along with the other girls, Minnie and Eileen strike up a firm friendship. The training is hard, but they are determined to prove they are the best new recruits.

As war rages, Barbara Sinclair is desperate to escape her unhappy home life. And with the threat of German bombs ever present, Barbara reluctantly agrees to marry John, her childhood friend, who is leaving to join the RAF. But an encounter with Alex Everton, a dashing Spitfire pilot, complicates matters for Barbara. With emotions running high, she begins to question whether she has made a terrible mistake. With the constant threat of death all around her, Barbara must try to find a way to deal with the complexities of her difficult home life and her emotional relationships, too.

Every time Sebastien speaks to Finley, she finds herself inching closer to him, and soon love begins to grow. But when he tells her he wants to join the English army, to fight the people who have forced his family to face such horror, she must work hard to crush the devastation in her heart. She knows if she were in his shoes, she would do the same thing, and she must be brave too. She will stay in London, waiting for Sebastien, and helping other refugees like him. As the bombs rain down, and the London streets empty, she knows she faces grave dangers.

Jane’s parents think Eddie’s rebellious ways will lead their beloved daughter into trouble. They forbid her from seeing Eddie, telling Jane to get a proper job as a nurse. But Jane cannot stand the idea of life without the boy she loves and secretly continues to see Eddie. The day she finds out that Eddie has betrayed her, she is utterly distraught. Were her parents right all along?

London, 1915. World War I has been raging for over a year, but despite it all Rose Spencer is feeling hopeful about the future. She's in love and planning her wedding to lovely, bicycle-shop owner Charlie. She loves working as a seamstress at the glamorous London's Lyceum Theatre but secretly can't help fantasising about seeing her own designs come to life. And even when she won't believe in her talent, thankfully best friends Joyce and Annie are always around to push her to have faith in her dreams.

1914. Working in a bustling café on London's Shaftesbury Avenue, Joyce Taylor dreams of opening her own restaurant. But when the man she loves enlists in the war and a surprise request comes through from her dying grandmother, Joyce's life gets turned upside down. Struggling to keep the café afloat with her new found responsibilities, it's not long before Joyce starts to feel the pressure might be all too much. Luckily, her supportive friends Annie and Rose are on hand to help.

Left homeless after the Exeter Blitz, May must find a job if she's to put a roof over her head and help support her two younger sisters. Taking a job as housekeeper to farmer George, May soon ends up getting stuck into more than just cleaning and cooking. The Ministry of Agriculture will close Fair Maids Farm if it doesn't meet their produce targets, but George refuses to heed their warnings. With only two reluctant Land Girls to help, May receives unexpected guidance from Dan, a neighbouring farmer, whose kindness gets tongues wagging in the village.

1914. Growing up on a farm in the country, Annie Cradwell has always dreamt of singing on stage. So when she hears her friend, Joyce, has a room to spare in London, she sets off with best friend Rose for an adventure beyond anything they could have imagined. In London, Annie and Rose stumble into jobs at The Lyceum Theatre. Then, the musical director, Matthew Harris, offers her singing lessons. And Annie starts to wonder - could this be her chance?

Everything can change - in just one day. Flora has always adored her brother Billy. Born just 18 months apart, their childhood was spent like two peas in a pod - no one could separate them. Now, as adults, they remain the best of friends. And as Flora is immersed in family life, Billy is always there to lend a hand. But, in just one day, everything changes. In just one day, Flora’s life falls apart. In just one day, Flora has to learn how to live again.

October 1940. When VAD nurse Evie narrowly escapes being killed in an air raid during the London Blitz, it propels her to make a life-changing decision to break free of her troubled and unhappy life. She escapes to the Norfolk countryside to start afresh, with a job at the newly opened Great Plumstead Hall hospital, and a wonderful new home at Rookery House. The community of Great Plumstead welcomes evacuees to the village—mothers and children bombed out of their London homes. Sisters Prue and Thea, along with members of The Mother's Day Club, help the new arrivals settle in.

1940, London. When Cordelia accepts the post of head librarian in Silver Town Library, her mother is more than a little disapproving. The East End has high levels of poverty and illiteracy, and her mother says it’s no place for a woman of her status. But Cordelia is determined to make a difference in these times of strife, and along with her colleagues, Jane and Mavis, she begins to help the local community, making sure everyone knows what the library can offer them. And maybe even a romance will blossom.

Kitty and Tom Conlon arrive in Liverpool in July 1916 to claim the house Tom’s great-uncle has bequeathed him in his will. The move to England couldn’t have come at a better time. Dublin is in turmoil following the Easter Uprising and Kitty’s brother is now in prison. The house in Weaver Street is all they hoped for, and after a shaky start with her new neighbours, Kitty believes the world is her oyster. Until that is, Tom is conscripted into the navy. With Tom away, it’s up to Kitty and the women of Weaver Street to get each other through the war.

Pearl has given up on her dreams of being a journalist after being denied a promotion because of her gender. Joining the WAAF as a radio telephone operator for Bomber Command, Pearl's new job at RAF Fenthorpe serves two purposes – providing an income for her grandmother, and keeping a close eye on her younger sister, Thea, an instrument repairer at another Lincolnshire bomber station.

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.