Susan Tate Ankeny was sorting through the belongings of her late father - a World War II bombardier who had bailed from a burning B-17 over Nazi-occupied France in 1944 - when she found two boxes. One contained her dad's Air Force uniform, and the other an unfinished memoir, stacks of envelopes, black-and-white photographs, mission reports, dog tags, and the fake identity cards he used in his escape. Ankeny spent more than a decade from that moment tracking down letter writers, their loved ones, and anyone who had played a role in her father's story.

As he rose to power, Hitler's hatred toward the Habsburgs and their diverse empire fixated on Franz Ferdinand's sons, who became outspoken critics and opponents of the Nazi party and its racist ideology. When Germany seized Austria in 1938, they were the first two Austrians arrested by the Gestapo, deported to Germany, and sent to Dachau. Within hours they went from palace to prison. The women in the family, including the Archduke's only daughter Princess Sophie Hohenberg, declared their own war on Hitler.

For Iris, each visit to her mother in St Mabon’s Cove, Cornwall has been the same—a serene escape from the city. But today, as she breaths in the salt air on the doorstep of her beloved childhood home, a heavy weight of anticipation settles over her. Iris knows she’s adopted, but any questions about where she came from have always been shut down by her parents, who can’t bear to revisit the past. Now, Iris can’t stop thinking about what she’s read on the official paperwork: BABY GIRL, FRANCE, 1939 – the year war was declared with Nazi Germany.

Berlin, 1933. Leah and Magda have been inseparable for as long as they can remember, and one beautiful summer’s day in their courtyard, they vow nothing will ever come between their friendship. But Leah could never have predicted the darkness looming just around the corner… As Hitler comes to power and the Nazi Party gain even more influence, Magda proudly tells Leah she has decided to join the Hitler Youth. Leah’s blood runs cold before she begs Magda to change her mind—because Leah is Jewish.

I sent 19-year-old Phyllis, my youngest recruit, into a city crawling with enemy soldiers. And this beautiful house on a tree-lined street, the headquarters of cold-hearted German soldiers, was the last place she was seen. I trail my fingers along the gilded furniture and see the light dance off the glittering chandeliers. On the top floor, I find the dates inscribed by beaten prisoners, and I know my girl was shown no mercy.

Margery Allingham, already a successful crime writer, was living quietly in the Essex village of Tolleshunt D’Arcy ("Auburn") when the Second World War broke out. Her house became an Air Raid Wardens’ post and a First Aid centre, and Allingham herself became responsible for 275 East London evacuees in a rural community of just over 600.

Germany, 1945. As the ground shakes and the air raid sirens wail, Katja holds her tiny baby to her chest. She pictures Karl’s handsome face and kind blue eyes, her breath catching at the thought of him heading back to the front. She must never tell anyone about the letters she delivered for him or the other secret she is hiding....

Virginia Hall left her comfortable Baltimore roots in 1931 to follow a dream of becoming a Foreign Service Officer. After watching Hitler roll over Poland and France, she enlisted to work for the British Special Operations Executive (SOE), a secret espionage and sabotage organization. She was soon deployed to occupied France where, if captured, imprisonment and torture at the hands of the Gestapo was all but assured.

Paris, 1943. German soldiers drag me out onto the cobbled street and push me toward the waiting truck. I force myself to face forward as tears stream down my cheeks. If I look back, they’ll know. I can’t let them find my baby girl....

On the nights of July 16 and 17, 1942, French police rounded up 11-year-old Joseph Weismann, his family, and 13,000 other Jews. After being held for five days in appalling conditions in the Vélodrome d'Hiver stadium, Joseph and his family were transported by cattle car to the Beaune-la-Rolande internment camp and brutally separated. A thousand children were left behind to wait for a later train. The French guards told the children that they would soon be reunited with their parents, but Joseph and his new friend, Joe Kogan, chose to risk everything in a daring escape attempt.

Spring 1946: Best friends Vera Frankel and Edith Ban arrive in Naples. Refugees from Hungary, they managed to escape from a train headed for Auschwitz and spent the rest of the war hiding on an Austrian farm. Now, the two young women are starting new lives abroad. Armed with a letter of recommendation from an American officer, Vera finds work at the United States embassy where she falls in love with Captain Anton Wight. But as Vera and Edith grapple with the aftermath of the war, so too does Anton, and when he suddenly disappears, Vera is forced to change course.

They began operations out of England in the spring of '43. They flew their Flying Fortresses almost daily against strategic targets in Europe in the name of freedom. Their astonishing courage and appalling losses earned them the name that resounds in the annals of aerial warfare and made the "Bloody Hundredth" a legend. Harry H. Crosby—soon to be portrayed by Anthony Boyle in the miniseries Masters of the Air developed by Tom Hanks and Steven Spielberg—arrived with the very first crews, and left with the very last.

In June 1944, the Nazis locked 18-year-old Dave Hersch into a railroad boxcar and shipped him from his hometown of Dej, Hungary, to Mauthausen Concentration Camp, the harshest, cruellest camp in the Reich. After 10 months in the granite mines of Mauthausen's nearby sub-camp, Gusen, he weighed less than 80 lbs., nothing but skin and bones. As Allied forces drew near Dave was forced to join a death march to Gunskirchen Concentration Camp, over 30 miles away. Soon after the start of the march, and more dead than alive, Dave summoned a burst of energy he did not know he had and escaped.

1942: World War II is in full swing. Odette Sansom decides to follow in her war hero father’s footsteps by becoming an SOE agent to aid Britain and her beloved homeland, France. Five failed attempts and a plane crash later, she finally lands in occupied France to begin her mission. It is here that she meets her commanding officer, Captain Peter Churchill. As they successfully complete mission after mission, Peter and Odette fall in love. All the while, they are being hunted by the cunning German secret police sergeant, Hugo Bleicher, who finally succeeds in capturing them.

When Stefania Carmichael steps into the mysterious world of Bletchley Park, she immediately finds herself signing the Official Secrets Act. In whispers, she is told that she’s been recruited because of her talent for languages. Before the war ripped Europe apart, Stefania was living in Rome, charming everyone she met, and engaged to the man of her dreams, handsome and brave Matteo. And now everything has changed. With secrets swirling around the building, Stefania finds it hard to know who to trust, until she forms a close bond with two other new recruits.