Munich, 1943. My heart breaks as I watch the smug couple carry the tiny bundle into their sinister black limousine. Carefully I write the baby’s name into my secret notebook. No matter the danger, I will do everything I can to reunite him with his mother… As the darkest shadows of the war spread, nurse Margarete Weiss is sent away to work in a mother and baby home in a beautiful corner of the German countryside.

Poland, 1944 When twelve-year-old Martha and her little sister Johanna are snatched while out shopping for food and pushed into an army truck with a swastika on the door, they are heartbroken. Terrified they will never see their mother again, the little girls cling to each other as the truck full of stolen children rumbles through the countryside.

Berlin, 1942. "All I know is we will survive this together," he says before kissing the tears away from my cheeks. But I know if the Nazis discover what we’ve done, how we’ve conspired against them, we will die together. Deaf since the age of five, Mina has had to fight for everything she has, including her place at an Austrian university to study physics. She has never felt accepted—until she meets fellow student Siggy, and her heart stops at the kindness in his bright blue eyes.

Windsor, 1940: War rages, and as bombs rain down across Britain, nowhere is safe: not even a royal palace. Secretly tasked with foiling a suspected plot, Sophie Klein is placed in the Royal Library at Windsor castle, where the princesses reside. But when she learns that Windsor is compromised, Sophie must sacrifice everything she knows to save the future queen of England. Philadelphia, Present day: Digging into her great aunt’s family tree, Lacey Turner comes across a mysterious book bearing the stamp of Windsor Castle’s royal bindery. But how did it come to be in her family’s possession?

Connie Fitzwalter never imagined that her passion for music would lead her into a world of danger and intrigue. When her old family friend, Stephen, who works for the foreign office, tells Connie the true scale of the violence against Jewish people in Germany and Austria, she can stand aside no longer. Together, Stephen and Connie devise a daring mission to help families escape the clutches of Nazi persecution. Under their cover as music enthusiasts traveling to high-society concerts in Europe, Connie and her sister Dottie begin by smuggling money and valuables for families over the border.

Dachau, 1942. Emilie has been told she's here to nurse evil men. But the first patient she sees in the cold, dark room is hauntingly familiar. Her first love is not wicked. He couldn't be. What is he doing here? Emilie's heart stops as she takes in her childhood sweetheart hunched in a tattered prisoners uniform, the light lost from his face. Her new husband, Otto, said this was a camp for criminals. He should know, he's the doctor. But Danner would never have broken the law.

Poland, 1943: Please don't do this! Her shrill cry pierces the night air, the screams breaking the silence of the falling snow. But the man she calls to does not turn, vanishing into the darkness with a child clasped in his arms.

Sarah Jennings knows there’s one place she can go to find some peace and quiet during her difficult divorce. But arriving at her beloved father’s home in the countryside, she finds him unwell and hunched over boxes of files, studying the records from Cedar Hall, the crumbling orphanage in town. He says that hidden behind the wrought iron gates and overgrown ivy are secrets about their family, and he asks for her help.

As children, Eva Rosselli and Angelo Bianco were raised like family but divided by circumstance and religion. As the years go by, the two find themselves falling in love. But the church calls to Angelo and, despite his deep feelings for Eva, he chooses the priesthood. Now, more than a decade later, Angelo is a Catholic priest and Eva is a woman with nowhere to turn. With the Gestapo closing in, Angelo hides Eva within the walls of a convent.

With the country on the brink of war, single mother Jean embraces her ten-year-old daughter, Valerie, before she puts her on a train to Somerset alongside hundreds of other evacuees. Jean’s heart breaks as she vows they’ll be together again soon, knowing it’s a promise she might not be able to keep. Wrenched away from her mother and everything familiar, Valerie arrives in Somerset and nervously waits in the village hall to find a host family.

India 1935: Amelia Collins, a missionary’s daughter left destitute by the death of her parents, leaves their home in the Himalayan foothills to find work in Darjeeling. There she meets District Officer Reginald Holden, a powerful older man who spirits her away from poverty and prejudice to start a new life as his wife in Ganpur. Amelia soon forms a bond with Reginald’s young son, Arthur, and resumes missionary work in the villages around Ganpur. There, she discovers a pavilion on a lake where the wives of maharajahs once bathed, now abandoned and cloaked in mystery.

French Indochina, 1945: Arielle, the daughter of a French father and Vietnamese mother, is working for the colonial government. Because of her native blood, she’s spared imprisonment when the Japanese storm Hanoi. Forced to work for the enemy, Arielle is contacted by a Viet Minh agent, who threatens to expose her dark secrets from 10 years before if she doesn’t help his cause. As Arielle is drawn deeper into the rebels’ dangerous world, will she ever escape the torment of her past? Or will she find love in the most unexpected of places?

When German bombs set London ablaze, BBC radio correspondent Hugh Collingwood reports on the Blitz, eager to boost morale while walking the fine line between truth and censorship. But the Germans are not the only ones Londoners have to fear as a series of murders flame up amid the ashes. The deaths hit close to home for Hugh, and Aleida needs his help to locate her missing son. As they work together, they grow closer and closer, both to each other and the answers they seek. But with bombs falling and continued killings, they may be running out of time.

Elliot Rosenzweig, a respected civic leader and philanthropist, is attending a fundraiser when he is suddenly accosted and accused of being a former Nazi SS officer named Otto Piatek, the Butcher of Zamosc. Although the charges are denounced as preposterous, his accuser is convinced he is right and engages attorney Catherine Lockhart to bring Rosenzweig to justice.

Sophia Alexander, the beautiful daughter of a famous surgeon in Berlin, has had to grow up faster than most young women. When her mother falls ill, Sophia must take charge of her younger sister Theresa, look after her father and the household, while also volunteering at his hospital after school. Meanwhile, Hitler's rise to power and the violence in her very own town have Sophia concerned, but only her mother is willing to share her fears openly. After tragedy strikes and her mother dies, Sophia becomes increasingly involved in the resistance.