When the Germans march into Denmark, Baron Henrik Ahlefeldt exchanges his nobility for anonymity, assuming a new identity so he can secretly row messages for the Danish Resistance across the waters to Sweden. American physicist Dr. Else Jensen refuses to leave Copenhagen and abandon her research-her life's dream. While printing resistance newspapers, she hears stories of the movement's legendary Havmand-the merman-and wonders if the mysterious and silent shipyard worker living in the same boardinghouse has something to hide.

Londoner Madeleine Grant is studying at the Sorbonne in Paris when she marries charismatic French journalist Giles Martin. As they raise their son, Olivier, they hold on to a tenuous promise for the future. Until the thunder of war sets off alarms in France. Staying behind to join the resistance, Giles sends Madeleine and Olivier to the relative safety of England, where Madeleine secures a job teaching French at a secondary school. Yet nowhere is safe. After a devastating twist of fate resulting in the loss of her son, Madeleine accepts a request from the ministry to aid in the war effort.

In a different world, Evie Milton would have accepted her fate, married an aristocrat and become the doyenne of one of England’s finest estates, just like her mother. In a different world, Rose Wiley would have married her fiancé, David, established a modest homestead and brought up a brood of babies, just like her mother. But this isn’t a different world, and these women are not their mothers. Rose dreams of a life filled with more than family and duty to her husband—a life of purpose—and Evie dreams of a life far away from her rarefied existence.

England: 1944. When psychologist Maddie Gresham is sent a mysterious message telling her to report to Trent Park mansion, she wonders how she will be helping the war effort from a stately home. Having signed the official secrets act, she soon finds captured Nazi generals are being detained at the house. Bugged with listening devices in every room, it’s up to Maddie to gain the Nazis’ trust and coax them into giving up information. When Max Weitzler, a Jewish refugee, also arrives at Trent Park with the same mission, Maddie finds herself trapped in a dangerous game of chess.

Norway, 1942. War rages, and, under cover of darkness, Rumi Orlstad and her fellow resistance fighters smuggle British agents, fugitives and supplies across the North Sea into Nazi-occupied territory. One night, when he braves a storm to complete an ill-fated mission, Rumi’s fiancé is lost to the dangerous waters. Broken-hearted, she withdraws from the clandestine group, vowing never to let her loved ones put themselves in the line of fire again.

Alix St. Pierre. An unforgettable name for an unforgettable woman. She grew up surrounded by Hollywood glamor, but, as an orphan, never truly felt part of that world. In 1943, with WWII raging and men headed overseas to fight, she lands a publicity job to recruit women into the workforce. Her skills—persuasion, daring, quick-witted under pressure—catch the attention of the U.S. government and she finds herself with an even bigger assignment: sent to Switzerland as a spy. Soon Alix is on the precipice of something big, very big. But how far can she trust her German informant…?

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.

Patrick O'Neill survived a hardscrabble youth to become a lawyer for the downtrodden Irish immigrants in his community. He's proud of his work, even though he struggles to afford his ramshackle law office. All that changes when he accepts a case that is sure to emphasize the Blackstones' legacy of greed and corruption by resurrecting a 30-year-old mystery. Little does Patrick suspect that the Blackstones will launch their most sympathetic family member to derail him.

France, 1942: When Kasia is told she will be smuggled out of Poland to work as a radio operator with a French Resistance group, she plans to make the dangerous journey across the border alone. But when she meets a mute girl who she names Elodie, in a ghetto in Warsaw on the eve of her departure, she reminds Kasia so strongly of someone she loved–with one brown eye, and one green–that she knows she can’t leave her behind, no matter the risk....

Increasingly wary of her father's genetic research, Rachel Kramer has determined that this trip with him to Germany - in the summer of 1939 - will be her last. But a cryptic letter from her estranged friend, begging Rachel for help, changes everything. Married to SS officer Gerhardt Schlick, Kristine sees the dark tides turning and fears her husband views their daughter, Amelie, deaf since birth, as a blight on his Aryan bloodline.

In the chaotic aftermath of World War II, American college girl Charlie St. Clair is pregnant, unmarried, and on the verge of being thrown out of her very proper family. She's also nursing a desperate hope that her beloved cousin Rose, who disappeared in Nazi-occupied France during the war, might still be alive.

Undercover in occupied Europe, risking her life daily, Elena never planned to fall in love. But everything changes when she meets Santiago in a crowded bar. His warm, dark eyes and kind smile draw her in...but he can never know her real identity, and opening her heart to him could put both of them in jeopardy. Elena cannot help but fall for Santiago, but can she truly trust him? Then Elena is tasked with a dangerous assignment: delivering coded maps for the Resistance.

August 1939: London is dismal under the weight of impending war with Germany as Hitler’s forces continue to sweep across Europe. Into this uncertain maelstrom steps Grace Bennett, young and ready for a fresh start in the bustling city streets she’s always dreamed of - and miles away from her troubled past in the countryside. With aspirations of working at a department store, Grace never imagined she’d wind up employed at Primrose Hill, an offbeat bookshop nestled in the heart of the city - after all, she’s never been much of a reader.

London, 2017: When Aurelia Leclaire inherits an opulent Paris apartment, she is shocked to discover her grandmother’s hidden secrets - including a treasure trove of famous art and couture gowns. One obscure painting leads her to Gabriel Seymour, a highly respected art restorer with his own mysterious past. Together they attempt to uncover the truths concealed within the apartment’s walls.

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.

It is Warsaw, 1939, and Elzunia is an indulged teenager who longs for a heroic life filled with romance. But the outbreak of war shatters all her dreams. As bombs fall, she meets Adam, a taciturn airman whose fate becomes entwined with hers. In despair over the occupation, Adam joins the Polish resistance, then flies bombers for the RAF.

Winter in Madrid is set just after the bloody Spanish Civil War, with World War II looming over Europe. Reluctantly, Harry Brett looks for an old schoolmate who's become a person of interest for British intelligence.

Ava thought her job as a librarian at the Library of Congress would mean a quiet, routine existence. But an unexpected offer from the US military has brought her to Lisbon with a new mission: posing as a librarian while working undercover as a spy gathering intelligence. Meanwhile, in occupied France, Elaine has begun an apprenticeship at a printing press run by members of the Resistance. It’s a job usually reserved for men, but in the war, those rules have been forgotten. Yet she knows that the Nazis are searching for the press and its printer in order to silence them.

Lavender Road boasts a pawnbroker, a pub, two rows of terraced working class homes, and, at one end, the big house owned by the local brewer. When war breaks out, the lives and fortunes of the families who live in Lavender Road are changed out of all recognition.

Liverpool, 1941. Troubled by a dark family history and the pain of seeing her country torn apart by war, young June Lavender finds new hope when she takes a job at the Dr Barnardo's children's home. There she meets Lizzie McRae, a little girl who is the spitting image of June's sister, who died tragically years before. Against the matron's wishes, the two girls form an unexpected bond as June tries to get the traumatised orphan to speak.

Florence Fein grows up in Brooklyn in the 1930s, in a family that is gaining a foothold in the middle class. At City College she becomes engaged politically with the left-leaning student groups, and eventually, in the midst of the Depression, she takes a job with a trade organization that has a position for her in Moscow. There, she falls in love with another expatriate American and has a son. Soon after, Florence is sent to a work camp and her son to an orphanage.

Simone Fleurier is wrenched from her home on a Provencal lavender farm at the age of 14 after the accidental death of her father. Forced to become a maid at the boarding house of her Aunt Augustine in Marseilles, Simone's life is hard and impoverished. But one of her aunt's boarders, the beautiful Camille Casal, a star at the local music hall, gives Simone a dream: that one day she too will be a famous singer and dancer.

On any particular day, thousands upon thousands of people pass through New York City's Grand Central Terminal, through the whispering gallery, beneath the ceiling of stars, and past the information booth and its beckoning four-faced clock, to whatever destination is calling them. It is a place where people come to say hello and good-bye. And each person has a story to tell.

Gina Ricci takes on a job as a cigarette girl to earn money for her ailing father. She’s enchanted by the harsh, glamorous world she discovers at Chicago’s most notorious 1920s speakeasy - all overseen by the club’s imposing owner, Signora Castallazzo. But the staff buzzes with whispers about Gina’s predecessor, who died mysteriously, and the brooding photographer, Marty, warns her to be careful. When Marty is brutally murdered, with Gina as the only witness, she’s determined to track down his killer.

Dr. Laura Pavlov, an American forensic archaeologist, is about to unravel a mystery that promises to solve one of the twentieth century’s greatest enigmas. Dr. Pavlov is a member of an international team digging on the outskirts of the present-day Russian city of Ekaterinburg, where the Romanov royal family was executed by their captors in July 1918. When Pavlov discovers two bodies perfectly preserved in permafrost in a disused mine shaft, they offer dramatic new clues to the disappearance of the Romanovs and, in particular, their famous daughter, Princess Anastasia, whose murder has always been shrouded in doubt.

East London, 1888 - a city apart. A place of shadow and light where thieves, whores, and dreamers mingle, where children play in the cobbled streets by day and a killer stalks at night, where bright hopes meet the darkest truths. Here, by the whispering waters of the Thames, Fiona Finnegan, a worker in a tea factory, hopes to own a shop one day, together with her lifelong love, Joe Bristow, a costermonger's son. With nothing but their faith in each other to spur them on, Fiona and Joe struggle, save, and sacrifice to achieve their dreams.

It's not just a thousand miles that separates Hanna Majewski from her younger sister, Stefa. There is another gulf—between the traditional Jewish ways that Hanna chose to leave behind in Warsaw, and her new, independent life in London. But as autumn of 1940 draws near, Germany begins a savage aerial bombing campaign in England, killing and displacing tens of thousands. Hanna, who narrowly escapes death, is recruited as a spy in an undercover operation that sends her back to her war-torn homeland.

Liverpool, 1940. When her childhood sweetheart, Johnny, is killed in action, Maxine Grey loses more than her husband - she loses her best friend. Desperate to make a difference in this awful war, Maxine takes a nursing job at London’s St Thomas’ hospital. She takes comfort in the attentions of a handsome surgeon, but Edwin Blake isn’t all he seems. And as the Blitz descends on the capital, Maxine faces more heartache. When she returns to Liverpool, she harbours a secret.

Cornwall, 1940. Back in England after the harrowing evacuation at Dunkirk, WWII Red Cross nurse Anna Trenowyth is shocked to learn her adoptive parents, Graham and Prue Handley, have been killed in an air raid. She desperately needs their advice, as she's been assigned to the military hospital that has set up camp inside her biological mother's childhood home - Nanreath Hall. Anna was just six years old when her mother, Lady Katherine Trenowyth, died. All she has left are vague memories that tease her with clues she can't unravel.

Ginger Stuyvesant, an American heiress living in London during World War I, is engaged to Captain Benjamin Hartshorne, an intelligence officer. Ginger is a medium for the Spirit Corps, a special Spiritualist force. Each soldier heading for the front is conditioned to report to the mediums of the Spirit Corps when they die so the corps can pass instant information about troop movements to military intelligence. Ginger and her fellow mediums contribute a great deal to the war efforts, so long as they pass the information through appropriate channels.