Paris in 1895: Alfred Dreyfus, a young Jewish officer, has just been convicted of treason, sentenced to life imprisonment at Devil's Island, and stripped of his rank in front of a baying crowd of 20,000. Among the witnesses to his humiliation is Georges Picquart, the ambitious, intellectual, recently promoted head of the counterespionage agency that Dreyfus had passed secrets to the Germans. At first, Picquart firmly believes in Dreyfus' guilt. But it is not long after Dreyfus is delivered to his desolate prison that Picquart stumbles on information that leads him to suspect that there is still a spy at large in the French military.

Maisie Dobbs got her start as a maid in an aristocratic London household when she was thirteen. Her employer, suffragette Lady Rowan Compton, soon became her patron, taking the remarkably bright youngster under her wing. Lady Rowan’s friend, Maurice Blanche, often retained as an investigator by the European elite, recognized Maisie’s intuitive gifts. The outbreak of war changed everything. Ten years after the Armistice, in the spring of 1929, Maisie sets out on her own as a private investigator, one who has learned that coincidences are meaningful, and truth elusive.

Present day: Emma Lovett, who has dedicated her career to breathing new life into long-neglected gardens, has just been given the opportunity of a lifetime: to restore the gardens of the famed Highbury House estate, designed in 1907 by her hero Venetia Smith. But as Emma dives deeper into the gardens’ past, she begins to uncover secrets that have long lain hidden.

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.

After a long week lobbying on Capitol Hill, all Karina Cardinal wants to do is chill with Netflix and her boyfriend, Patrick Dunne. Instead, she's slipping her aching feet into red stilettos for his parent's annual holiday bash. When she accidentally interrupts Patrick's father in his study, her embarrassment is tempered by suspicion that Martin Dunne and his dapper, secretive guest are hiding something. Maybe the painting she barely glimpses right before it disappears behind a secret panel.

With his reputation permanently marred by an insider trading conviction, Jamison Maddox, a young Wall Street broker, reluctantly takes a job doing research for a small company in the sleepy town of Redemption, Illinois. He’s never heard of the company, or of the town, but he’s out of money and options. Though Jamison notices right away that everyone in Redemption is in some way related to one another, the big city boy chalks it up to small-town ways.

In the snowbound city of Kiev, wry and bookish history student Mila Pavlichenko organizes her life around her library job and her young son—but Hitler’s invasion of Russia sends her on a different path. Given a rifle and sent to join the fight, Mila must forge herself from studious girl to deadly sniper—a lethal hunter of Nazis known as Lady Death. When news of her three hundredth kill makes her a national heroine, Mila finds herself torn from the bloody battlefields of the eastern front and sent to America on a goodwill tour.

At the end of her first unsuccessful season out in society, Lady Georgiana has all but given up on attracting a suitable man - until she receives an invitation to a masked Halloween ball at Broxley Manor. Georgie is uncertain why she was invited, until she learns that the royal family intends to marry her off to a foreign prince, one reputed to be mad.

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.

West Berlin, 1979. Helen Abell oversees the CIA's network of safe houses, rare havens for field agents and case officers amidst the dangerous milieu of a city in the grips of the Cold War. Helen's world is upended when, during her routine inspection of an agency property, she overhears a meeting between two unfamiliar people speaking a coded language that hints at shadowy realities far beyond her comprehension. Before the day is out, she witnesses a second unauthorized encounter, one that will place her in the sight lines of the most ruthless and powerful man at the agency.

Amsterdam, May 1943. As the Nazis tighten their grip across the city, the last signs of Dutch resistance are being swept away. Marijke de Graaf and her husband are arrested and deported to different concentration camps in Germany. Marijke is given a terrible choice: to suffer a slow death in the labor camp or - for a chance at survival - join the camp brothel. On the other side of the barbed wire, SS Officer Karl Müller arrives at the camp hoping to meet his father’s expectations of wartime glory. When he encounters the newly arrived Marijke, their lives change forever.

Nat, a 47 year-old veteran of Britain’s Secret Intelligence Service, believes his years as an agent runner are over. He is back in London with his wife, the long-suffering Prue. But with the growing threat from Moscow Centre, the office has one more job for him. Nat is to take over The Haven, a defunct substation of London General with a rag-tag band of spies. The only bright light on the team is young Florence, who has her eye on Russia Department and a Ukrainian oligarch with a finger in the Russia pie.

Ian Rutledge returns to his career at Scotland Yard after years fighting in the First World War. Unknown to his colleagues he is still suffering from shell shock, and is burdened with the guilt of having had executed a young soldier on the battlefield for refusing to fight. A jealous colleague has learned of his secret and has managed to have Rutledge assigned to a difficult case which could spell disaster for Rutledge whatever the outcome. A retired officer has been murdered, and Rutledge goes to investigate.

As Marie Antoinette took her last breath as queen of France in Paris, another formidable monarch - Antoinette’s dearly beloved sister, Charlotte - was hundreds of miles away, in Naples, fighting desperately to secure her release from the revolutionaries who would take her life. Little did Charlotte know, however, that her sister’s execution would change the course of history - and bring about the end of her own empire.

Elise Chevalier knows what it is to love…and to hate. Her fiancé, a young French soldier, was killed by the German army at the Maginot Line. Living amongst the enemy, Elise must keep her rage buried deep within. Sebastian Kleinhaus no longer recognizes himself. Forced to join the Third Reich and wear a uniform he despises, he longs for a way out. For someone, anyone, to be his salvation.

Amsterdam, May 1943. As the Nazis tighten their grip across the city, the last signs of Dutch resistance are being swept away. Marijke de Graaf and her husband are arrested and deported to different concentration camps in Germany. Marijke is given a terrible choice: to suffer a slow death in the labor camp or - for a chance at survival - join the camp brothel. On the other side of the barbed wire, SS Officer Karl Müller arrives at the camp hoping to meet his father’s expectations of wartime glory. When he encounters the newly arrived Marijke, their lives change forever.

American lawyer and former police detective Judge Devlin is in Europe sifting through evidence of Nazi atrocities. He is part of the International Military Tribunal, but his agenda is personal. He hopes to convict SS member and former Olympic sprinter Eric Seyss, the man responsible for his military chaplain brother’s death. When Judge learns Eric has just escaped from an American POW camp, the American sets off in a desperate race for vengeance.

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.

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.

Deep in the trenches of Flanders Fields, men are dying in the thousands every day. So one more death shouldn't be a surprise. But then a body turns up with bizarre injuries, and Sherlock Holmes' former sidekick, Dr. John Watson - unable to fight for his country due to injury but able to serve it through his medical expertise - finds his suspicions raised.

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.

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.

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.

Struggling alone on the family farm, Abigail Tidwell knows exactly who to blame for her hardships: the Americans. If it weren't for their part in the war, her father and brothers would be home rather than fighting abroad. But no amount of antipathy could have prepared her for the shocking sight of a wounded American soldier on her property, a man in dire need of her help. Grudgingly, Abigail tends to the soldier's injuries and anticipates the satisfaction of turning him over to the authorities once he is healed. But fate has other plans.

Normandy, 1944. To cover the fighting in France, Jane, a reporter for the Nashville Banner, and Liv, an Associated Press photographer, have already had to endure enormous danger and frustrating obstacles - including strict military regulations limiting what woman correspondents can do. Even so, Liv wants more. Encouraged by her husband, the editor of a New York newspaper, she's determined to be the first photographer to reach Paris with the Allies.

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.

Germany, 1945. Klara Janowska and her daughter, Alicja, have walked for weeks to get to Graufeld Displaced Persons camp. In the cramped, dirty, dangerous conditions they, along with 3,200 others, are the lucky ones. They have survived and will do anything to find a way back home. But when Klara recognises a man in the camp from her past, a deadly game of cat and mouse begins. He knows exactly what she did during the war to save her daughter. She knows his real identity. What will be the price of silence? And will either make it out of the camp alive?

With a sharp tongue and an unruly temper, Sage Fowler is not what they'd call a lady, which is perfectly fine with her. Deemed unfit for marriage, Sage is apprenticed to a matchmaker and tasked with wrangling other young ladies to be married off for political alliances. She spies on the girls - and on the soldiers escorting them. As the girls' military escort senses a political uprising, Sage is recruited by a handsome soldier to infiltrate the enemy ranks.

Shortly after midnight on July 17, 1918, the imprisoned family of Tsar Nicholas Romanov was awakened and led down to the basement of the Ipatiev house. There they were summarily executed. A decade later, one man lives in purgatory, banished to a forest on the outskirts of humanity. Pekkala was once the most trusted secret agent of the Romanovs, the right-hand man of the Tsar himself. Now he is Prisoner 4745-P. But the state needs Pekkala one last time.

The Empire has declared war on the small, were-ruled kingdom of Aydori, capturing five women of the Mage-Pack, including the wife of the were Pack-leader. With the Pack off defending the border, it falls to Mirian Maylin and Tomas Hagen - she a low-level mage, he younger brother to the Pack-leader - to save them. Together the two set out on the kidnappers’ trail, racing into the heart of enemy territory. But with every step the odds against their survival, let alone their success, grow steeper....