Rhoda Middleton suspects her husband Peter is having an affair. But when Rhoda tracks the mysterious woman down, she finds she is not his lover after all, but the wife of his wartime best friend, Archie Foster. There is only one problem - Rhoda has never even heard of Archie Foster.

Holland, 1944: Undercover British agent Nancy Callaghan has been given her toughest case yet. A key member of the Dutch resistance has been captured, and Nancy must play the role of a wealthy Nazi to win over a notorious SS officer, Detlef Keller, and gain crucial information. But as Nancy infiltrates the Dutch SS, she finds herself catching the eye of an even more senior member of the Party. Is Nancy in too deep, or can Tom reach her before she gets caught?

Berlin, 1943: Ava Müller is a proud supporter of the German war effort, working for Joseph Goebbels alongside her father, a high-ranking official in the Reich. With her sister Hanna, a nurse, braving bombing raids to save lives, they are a model Nazi family. Until Ava discovers her parents and Hanna are secretly working for the resistance… Returning to their country home, Ava is shocked to find her childhood friend Eliana Goldman and her family hidden in the attic.

Working in a museum under a false identity is Brigitte’s only hope. Until she meets Isabelle Valette, who confides in hushed tones that she is part of the Resistance. And when her new friend tells her of a train leaving Paris that can take children to safety, Brigitte knows her daughter must be on it, even if it breaks her heart. But getting Sophie onto the train is dangerous. If they are caught smuggling a Jewish child out of Paris, they will be killed. And with the enemy closing in, can Brigitte get her beloved daughter to safety before it is too late?

Isa de Smit was raised in the vibrant, glittering world of her parents' small art gallery in Amsterdam, a hub of beauty, creativity, and expression, until the Nazi occupation wiped the color from her city's palette. The "degenerate" art of the Gallery de Smit is confiscated, the artists in hiding or deported, her best friend, Truus, fled to join the shadowy Dutch resistance. And masterpiece by masterpiece, the Nazis are buying and stealing her country's heritage. So when the unpaid taxes threaten her beloved but empty gallery, Isa decides to make the Nazis pay.

Berlin, 1944. ‘It is a great honour to have you here, Herr Hitler.’ Lili doesn’t stumble over the lie, her hand steady as she pours champagne. Everything must be perfect, no one can suspect a thing… Lili Rodenberg and her husband Marius run the Edel, Berlin’s most glamorous hotel. For its wealthy guests, it is an escape from the destruction outside, with its elegant piano bar and fine amber brandy. But Lili is Jewish, a secret she is terrified will end in tragedy for her and their beloved little girl.

When three little girls—Anna, Bernie, and Elica—make a pact to be blood sisters for life, they believe nothing can come between them. Anna is from an affluent Jewish family, while Bernie and Elica are from poor Austrian families who barely make ends meet. As they get older, their social differences become all too real. With infectious Jew-hate-laden rhetoric from Nazi Germany spreading into Austria, it is only a matter of time before their bond of friendship gets severely tested.

London, 1941. The Blitz. When a Royal Navy memo arrives at head office, requesting female recruits to sign up as motorcycle dispatch riders, delivering highly classified orders across the country, three women jump at the chance to sign up for the most dangerous jobs in London.

Amsterdam, 1941. German forces have invaded Amsterdam. As the tension in the city increases, the Dutch Resistance is born. Tormented by what is happening in his city, Christiaan joins the Resistance. He risks everything to shield the oppressed and fight for the freedom of his beloved nation. His brother—Floris—is ruthless and driven to succeed. Promoted to the Bureau of Jewish Affairs, he becomes instrumental in hunting Jews to transport them to the Nazi death camps.

Germany, 1946: Emmy Clarke is a librarian not a soldier. But that doesn’t stop the Library of Congress from sending her overseas to Germany to help the Monuments Men retrieve and catalog precious literature that was plundered by the Nazis. The Offenbach Archival Depot and its work may get less attention than returning art to its rightful owners, but for Emmy, who sees the personalized messages on the inside of the books and the notes in margins of pages, it feels just as important.

London, 1938: The bookstore just doesn’t feel the same to Gertie Bingham ever since the death of her beloved husband Harry. Bingham Books was a dream they shared together, and without Harry, Gertie wonders if it’s time to take her faithful old lab, Hemingway, and retire to the seaside. But fate has other plans for Gertie. In Germany, Hitler is on the rise, and Jewish families are making the heart-wrenching decision to send their children away from the growing turmoil. After a nudge from her dear friend Charles, Gertie decides to take in one of these refugees.

Paris, 1943. The scent of fresh baguettes hangs in the air as Coralie unbolts the door to her bakery with trembling fingers. She must get out of the city. Hiding her precious leather recipe book inside her coat, she promises never to let the secret locations of the people she worked tirelessly to save fall into German hands… Present day. Raven is unhappy about being shipped off to the other side of the country for the summer to stay with the mysterious French grandmother she barely knows.

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.

Sophie Dix fled Stuttgart with her brother as the Nazi regime gained power in Germany. Now, with her brother gone and her adopted home city of Paris conquered by the Reich, Sophie reluctantly accepts a position restoring damaged art at the Jeu de Paume museum under the supervision of the ERR—a German art commission using the museum as a repository for art they’ve looted from Jewish families.

Occupied Poland, 1942: Despite the constant presence of German soldiers in her village, Emilia is allowed certain freedoms as a midwife—the most precious is innocently cycling past Nazi checkpoints to the homes of expectant mothers on her rounds. But Emilia has a secret: for years she’s also been visiting the hidden Jewish mothers and working for the resistance…until she is betrayed.