1942, Manchester. World War II is in full swing, and Lily Mullins is determined to do her bit for the war effort. Her friends and sweetheart have all joined up, and Lily's sure there must be a role for her that goes further than knitting socks for the troops! When she decides to volunteer for the Women's Auxiliary Air Force, Lily soon discovers that she has a talent as a wireless operator. Helped along the way by a special gang of girls, she finds strengths she didn't know she had and realises that the safety of the country might just be in her hands....

As England prepares to fight the Nazis, three very different women answer the call to mysterious country estate Bletchley Park, where the best minds in Britain train to break German military codes. Vivacious debutante Osla is the girl who has everything - beauty, wealth, and the dashing Prince Philip of Greece sending her roses - but she burns to prove herself as more than a society girl, and puts her fluent German to use as a translator of decoded enemy secrets.

At the age of 22, Jennifer Worth left her comfortable home to move into a convent and become a midwife in postwar London’s East End slums. The colorful characters she met while delivering babies all over London - from the plucky, warm-hearted nuns with whom she lived to the woman with 24 children who couldn't speak English to the prostitutes and dockers of the city’s seedier side - illuminate a fascinating time in history.

Eudora Honeysett is done with this noisy, moronic world - all of it. She has witnessed the indignities and suffering of old age and has lived a full life. At 85, she isn’t going to leave things to chance. Her end will be on her terms. With one call to a clinic in Switzerland, a plan is set in motion. Then she meets 10-year-old Rose Trewidney, a whirling, pint-sized rainbow of sparkling cheer. All Eudora wants is to be left alone to set her affairs in order.

Germany, 1939. A tumbledown farmhouse, on the outskirts of a close-knit village in the heart of the rolling hills of Bavaria. A once happy family home torn apart by Nazi rule. And one young girl who refuses to give up on what she believes in...London, 2018: When 94-year-old Imogen receives a letter addressed to her in neat, unfamiliar handwriting, she notices the postmark is stamped from Germany - and it sends shivers down her spine....

1941. Audrey Coltrane has always wanted to fly. It's why she implored her father to teach her at the little airfield back home in Texas. It’s why she signed up to train military pilots in Hawaii when the war in Europe began. And it’s why she insists she is not interested in any dream-derailing romantic involvements, even with the disarming Lieutenant James Hart, who fast becomes a friend as treasured as the women with whom she flies. Then one fateful day, she gets caught in the air over Pearl Harbor just as the bombs begin to fall, and suddenly, nowhere feels safe.

It’s 1942, and London remains under constant threat of enemy attack as the second world war rages on. In the Bethnal Green neighborhood, Nellie Morris counts every day lucky that she emerges from the underground shelters unharmed, her loving family still surrounding her. Three years into the war, she’s grateful to hold onto remnants of normalcy—her job as assisting the mayor and nights spent at the local pub with her best friend. But after a chance encounter with Ray, an American airman stationed nearby, Nellie becomes enchanted with the idea of a broader world.

London, 1935. Ruby is always hungry, but she will go without if it means her young brothers can eat. 1930s Bermondsey might be called the larder of London, with its pie, pickle and jam factories, but for the poor working classes, starvation is often only a heartbeat away. When Ruby's neighbour suggests she ought to go to the Methodist Mission for free food, Ruby knows her father will be furious, but she has no other option.

1932. After the Great War took both her beloved brother and her fiancé, Violet Speedwell has become a "surplus woman," one of a generation doomed to a life of spinsterhood after the war killed so many young men. Yet Violet cannot reconcile herself to a life spent caring for her grieving, embittered mother. After countless meals of boiled eggs and dry toast, she saves enough to move out of her mother's place and into the town of Winchester, home to one of England's grandest cathedrals.

Early in the Great War, men left Britain’s factories in droves to enlist. Struggling to keep up production, arsenals hired women to build the weapons the military urgently needed. “Be the Girl Behind the Man Behind the Gun,” the recruitment posters beckoned. Thousands of women—cooks, maids, shopgirls, and housewives—answered their nation’s call. These “munitionettes” worked grueling shifts often seven days a week, handling TNT and other explosives with little protective gear.

England, 1941. After three nights of relentless bombing from German aircraft, trained nurse Jo Brooks is told to report to the basement theater of Mill Road Hospital. She goes with a heavy heart, not wanting to leave behind her best friend Moira, who is desperately soothing new mothers on the maternity ward. As Jo arrives safely underground, the ward takes a direct hit.

1950. In the wake of the war, Audrey Clarkson leaves her manor house in England for a fresh start in America with her young son. As a widowed war bride, Audrey needs the support of her American in-laws, whom she has never met. But she arrives to find that her longtime friend Eve Dawson has been impersonating her for the past four years. Unraveling this deception will force Audrey and Eve’s secrets - and the complicated history of their friendship - to the surface.

As the German Luftwaffe begin a terrifying bombing campaign that will come to be known as the Blitz, thousands are evacuated to safety. But Lizzie Mackenzie finds herself heading toward London. She knows she must help in the war effort. But she has another reason for leaving the security of her Scottish village: the illegitimate child she gave up for adoption nearly five years before is somewhere in the city. And - as the bombs rain down - she will stop at nothing to find her and make sure her little girl is safe.

A heart-wrenching, poignant and totally unforgettable tale of a young woman who must finally face up to the secret she has hidden for a lifetime. 1943, England: On a foggy night during the blackout, 25-year-old May Robinson watches in horror as her mother, Ivy, is tragically killed. Heartbroken, May is not sure she has the strength to harbour the secret she has kept for so many years - a secret that her mother devoted her life to hiding and that would tear their broken family even further apart.

As a volunteer for the ambulance service, Ruby has the dangerous task of driving along pitch-dark roads during the blackout. With each survivor she pulls from the rubble, she is helping to fight back against the enemy bombers, who leave nothing but destruction in their wake. Assigned to her crew is Joseph, who is unable to fight but will stop at nothing to save innocent lives. Because he is not in uniform, people treat him with suspicion, and Ruby becomes determined to protect this brave, compassionate man who has rescued so many, and captured her heart.