FBI cryptographer Eloise Marshall is grieving the death of her brother, who died during the attack on Pearl Harbor, when she is assigned to investigate a seemingly innocent letter about dolls. Agent Phillip Clayton is ready to enlist and head oversees when asked to work one more FBI job. A case of coded defense coordinates related to dolls should be easy, but not so when the Japanese Consulate gets involved, hearts get entangled, and Phillip goes missing. Can Eloise risk loving and losing again?

Never pretty enough to please her gorgeous mother, Allie will do anything to gain her approval - even marry a man she doesn't love. Lt. Walter Novak - fearless in the cockpit but hopeless with women - takes his last furlough at home in California before being shipped overseas. Walt and Allie meet at a wedding and their love of music draws them together, prompting them to begin a correspondence that will change their lives. As letters fly between Walt's muddy bomber base in England and Allie's mansion in an orange grove, their friendship binds them together.

The moment the Japanese bombed Pearl Harbor, life shifted for Miko Nishimura. Desperate to reach the Portland Assembly Center for Japanese Americans, she's kicked off the bus miles from town. Every tick of the clock pushes her closer to becoming a fugitive in the land of her birth. Exhausted, she stumbles to her grandparents' abandoned farm only to find a dying soldier sprawled across the step. Unable to leave him, she forsakes all else to keep him alive.

In 1944, American naval officer Lt. Wyatt Paxton arrives in London to prepare for the Allied invasion of France. He works closely with Dorothy Fairfax, a "Wren" in the Women's Royal Naval Service. Dorothy pieces together reconnaissance photographs with thousands of holiday snapshots of France - including those of her own family's summer home - in order to create accurate maps of Normandy. Maps that Wyatt will turn into naval bombardment plans. As the two spend concentrated time together in the pressure cooker of war, their deepening friendship threatens to turn to love.

1941. A talented flier, Jessie Lovelace yearns for a career in aviation. When the civilian flight school in her small Texas town begins to clandestinely train British pilots for the RAF, she fights to become an instructor. But the task isn’t without its perils of near-misses and death. Faced with the weight of her responsibilities, she finds solace with a British officer who knows firsthand the heavy price paid in war . . . until he returns to the battles he never truly left behind.

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.

Magnolia, South Carolina, 1980: Austin Foster is barely a teenager when her mama dies giving birth to twins, leaving her to pick up the pieces while holding her six siblings together and doing her best to stop her daddy from retreating into his personal darkness.

1942: With the war's outcome hanging in the balance, President Roosevelt sends an unlikely new taskforce on a unique mission. They are librarians and microfilm specialists trained in espionage, working with a special branch of the Office of Strategic Services and deployed to neutral cities throughout Europe. By acquiring and scouring Axis newspapers, books, technical manuals, and periodicals, the librarians can gather information about troop location, weaponry, and military plans.

Paris, 1939. Maison Chanel has closed, thrusting haute couture dressmaker Lila de Laurent out of the world of high fashion as Nazi soldiers invade the streets and the City of Lights slips into darkness. Lila’s life is now a series of rations, brutal restrictions, and carefully controlled propaganda while Paris is cut off from the rest of the world. Yet in hidden corners of the city, the faithful pledge to resist. Lila is drawn to La Resistance and is soon using her skills as a dressmaker to infiltrate the Nazi elite.

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.

Clara Button is no ordinary librarian. While war ravages the city above her, Clara has risked everything she holds dear to turn the Bethnal Green tube station into the country’s only underground library. Down here, a secret community thrives with thousands of bunk beds, a nursery, a café, and a theater—offering shelter, solace, and escape from the bombs that fall upon their city. Along with her glamorous best friend and assistant Ruby Munroe, Clara ensures the library is the beating heart of life underground. As the war drags on, the women's determination is tested to the limits.

When their father dies, none of the three Harcourt girls are particularly upset. The loss of the family's income, however, is not something so easily overcome. When their mother Anna discovers that they have been left penniless, she decides to move them out of London and back to her hometown in Scotland.

Rome, 1943. With the fall of Italy's Fascist government and the Nazi regime occupying the streets of Rome, British ballerina Julia Bradbury is stranded and forced to take refuge at a hospital on Tiber Island. But when she learns of a deadly sickness sweeping through the quarantine wards--a fake disease known only as Syndrome K--she is drawn into one of the greatest cons in history. Alongside hospital staff, friars of the adjoining church, and two Allied medics, Julia risks everything to rescue Jewish Italians from the deadly clutches of the Holocaust.

She pretends to be a Yankee officer's widow in order to survive. But what will she do when he returns home to a wife he didn't marry? Her heart sought shelter. Her soul found home. Ella Whitaker rescues a newborn from the dying arms of a woman of ill repute and at long last she has someone to love. In need of a wet nurse, she arrives at Belmont Plantation just as Federal soldiers demand to speak to the owner.

Haunted by the horrors of war, ex-cavalry officer Matthew Hanger leads a band of mercenaries known as Hanger's Horsemen who have become legends in 1890s Texas. They defend the innocent and obtain justice for the oppressed. But when a rustler's bullet leaves one of them at death's door, they're the ones in need of saving. Dr. Josephine Burkett is used to men taking one look at her skirts and discounting her medical skills. What she's not used to is having a man change his mind in a heartbeat and offer to assist her in surgery.