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.

London, 1941. Keen to do her bit in the war, Connie Allinson joins the WRNS and is posted as a letter censor. Her task: to read and alter correspondence to ensure no sensitive information crosses enemy lines. At first, she is not sure she's up to it, but is soon drawn in by the letters she reads, and their secret... Doncaster, 1967. Bored of her domestic life, Connie wants a job, but her controlling husband Arthur won't hear of it. Looking for an escape and plagued by memories of letters she read during the war, she makes a bid for freedom and starts secretly tracking down their authors.

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? 

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?

1941. After the death of her beloved mother, nineteen-year-old Romilly Brooks impulsively accepts a job as a nanny, accompanying eight-year-old Freddie and his grandmother on a sea voyage from war-torn London to the safety of New York. From the first, Romilly is entranced by the opulent ocean liner… if only she could put the idea of German U-boats circling beneath the waves out of her mind.