Rose Winton wants nothing more than to work with her father, eminent naturalist Charles Winton, on his groundbreaking study of the platypus. Not only does she love him with all her heart, but the discoveries they have made could turn the scientific world on its head. When Charles is unable to make the long sea journey to present his findings to the prestigious Royal Society in England, Rose must venture forth in his stead. What she discovers there will change the lives of future generations.

December 1940. As German bombs fall on Southampton, England, the city's residents flee to the surrounding villages. In Upton village, amid the chaos, newly married Ellen Parr finds a girl asleep, unclaimed at the back of an empty bus. Little Pamela, it seems, is entirely alone. Ellen has always believed she does not want children, but when she takes Pamela into her home, the child cracks open the past Ellen thought she had escaped and the future she and her husband, Selwyn, had dreamed for themselves. As the war rages on, love grows where it was least expected, surprising them all.

September 1, 1939: Sixty-year-old Janusz Korczak and the students and teachers at his Dom Sierot Jewish orphanage are outside enjoying a beautiful day in Warsaw. Hours later, their lives are altered forever when the Nazis invade. Suddenly treated as an outcast in his own city, Janusz--a respected leader known for his heroism and teaching--is determined to do whatever it takes to protect the children from the horrors to come.

As the war begins, Hanna Rombauer, a young German woman, is sent to live with her aunt and uncle after her mother’s death. Thrown into a life of luxury she never expected, Hanna soon finds herself unwillingly matched with an SS officer twenty years her senior. The independence that her mother lovingly fostered in her is considered highly inappropriate as the future wife of an up-and-coming officer and she is sent to a “bride school.” There, in a posh villa on the outskirts of town, Hanna is taught how to be a “proper” German wife.

Paris, 1944: The war is nearly over, but for members of the Resistance in occupied France, it is more dangerous than ever before. Twenty-five-year-old Gabby Foucher loathes the Nazis, though as the concierge of 10 rue Royale, she does her best to avoid conflict - unlike her bolder sister Yvette, who finds trouble at every turn.

Hopeless romantic and lifestyle reporter Laura’s business trip to the Channel Islands isn’t off to a great start. After an embarrassing encounter with the most attractive man she’s ever seen in real life, she arrives at her hotel and realizes she’s grabbed the wrong suitcase from the airport. Her only consolation is its irresistible contents, each of which intrigues her more and more. The owner of this suitcase is clearly Laura’s dream man. Now, all she has to do is find him.

In Nottingham, England, widow Emma Taylor finds herself in desperate need of a job. She and her beloved daughter Olivia have always managed just fine on their own, but with the legal restrictions prohibiting widows with children from most employment opportunities, she’s left with only one option: persuading the manageress at Boots’ Booklover’s Library to take a chance on her with a job.

San Francisco, 1906. In a city bustling with newly minted millionaires and scheming upstarts, two very different women hope to change their fortunes: Gemma, a golden-haired, silver-voiced soprano whose career desperately needs rekindling, and Suling, a petite and resolute Chinatown embroideress who is determined to escape an arranged marriage. Their paths cross when they are drawn into the orbit of Henry Thornton, a charming railroad magnate whose extraordinary collection of Chinese antiques includes the fabled Phoenix Crown, a legendary relic of Beijing’s fallen Summer Palace.

An orphan who spent her youth without a true home, Marion Hoxton found in the Great War something other than destruction. She discovered a chance to belong. As a member of the Women’s Royal Naval Service—the Wrens—Marion gained sisters. She found purpose in her work as a motorcycle dispatch rider assigned to train and deliver carrier pigeons to the front line. And despite the constant threat of danger, she and her childhood friend Eddie began to dream of a future together. Until the battle that changed everything.

Thirteen-year-old Lisa has escaped from Nazi Germany on the Kindertransport. She arrives in London unable to speak a word of English, her few belongings crammed into a small suitcase. Among them is one precious photograph of the family she has left behind. Lonely and homesick, she is adopted by a childless couple. But when the Blitz blows her new home apart, she wakes up in a hospital with no memory of who she is or where she came from. The authorities give her a new name and dispatch her to a children's home. With the war raging around her, what will become of Lisa now?

England, 1939: The Penrose sisters couldn't be more different. Skye is a daring and brash pilot, and Liberty is the one to defy her at every turn. Even if women aren't allowed in the Royal Air Force, Skye is determined to help the war effort. She's thrilled when it reunites her with her childhood soul mate, Nicholas. She's less thrilled to learn Nicholas is now engaged to an enigmatic Frenchwoman named Margaux Jourdan.

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.

Sophie Whalen is a young Irish immigrant so desperate to get out of a New York tenement that she answers a mail-order bride ad and agrees to marry a man she knows nothing about. San Francisco widower Martin Hocking proves to be as aloof as he is mesmerizingly handsome. Sophie quickly develops deep affection for Kat, Martin's silent five-year-old daughter, but Martin's odd behavior leaves her with the uneasy feeling that something about her newfound situation isn't right.

Clare Cassidy is no stranger to murder. A high school English teacher specializing in the Gothic writer R. M. Holland, she teaches a course on it every year. But when one of Clare’s colleagues and closest friends is found dead, with a line from R. M. Holland’s most famous story, “The Stranger”, left by her body, Clare is horrified to see her life collide with the story lines of her favorite literature.

London, 1962: The world is teetering on the brink of nuclear war but life must go on. Celia Duchesne longs for a career, but with no means or qualifications, passes her time working at a dusty bookshop. The day a handsome American enters the shop, she thinks she might have found her way out of the monotony. Just as the excitement of a budding relationship engulfs her, a devastating secret draws her into the murky world of espionage.