1942. Hannah Martel has narrowly escaped Nazi Germany after her fiancé was killed in a pogrom. When her ship bound for America is turned away at port, she has nowhere to go but to her cousin, Lily, who lives with her family in Brussels. Fearful for her life, Hannah is desperate to get out of occupied Europe. But with no safe way to leave, she must return to the dangerous underground work she thought she had left behind. Seeking help, Hannah joins the Sapphire Line, a secret resistance network led by a mysterious woman named Micheline and her enigmatic brother, Matteo. But when a grave mistake causes Lily’s family to be arrested and slated for deportation to Auschwitz, Hannah finds herself torn between her loyalties. How much is Hannah willing to sacrifice to save the people she loves?

Sadie Gault is 18 and living with her parents in the Kraków Ghetto during World War II. When the Nazis liquidate the ghetto, Sadie and her pregnant mother are forced to seek refuge in the perilous tunnels beneath the city. One day, Sadie looks up through a grate and sees a girl about her own age buying flowers. Ella Stepanek is an affluent Polish girl living a life of relative ease with her stepmother. While on an errand in the market, she catches a glimpse of something moving beneath a grate in the street and realizes it’s a girl hiding. Ella begins to aid Sadie, and the two become close. But as the dangers of the war worsen, their lives are set on a collision course that will test them in the face of overwhelming odds.

One morning while passing through Grand Central Terminal, Grace Healey finds an abandoned suitcase tucked beneath a bench. Unable to resist her own curiosity, Grace opens the suitcase, where she discovers a dozen photographs --- each of a different woman. She soon learns that the suitcase belonged to Eleanor Trigg, leader of a network of female secret agents who were deployed out of London during the war. Twelve of these women were sent to Occupied Europe as couriers and radio operators to aid the resistance, but they never returned home. Setting out to learn the truth behind these women, Grace finds herself drawn to a young mother turned agent whose daring mission overseas reveals a remarkable story of friendship, valor and betrayal.

After discovering a boxcar containing dozens of Jewish infants bound for a concentration camp, 16-year-old Noa is reminded of the child who was taken from her. And in a moment that will change the course of her life, she snatches one of the babies and flees into the snowy night. Noa finds refuge with a German circus, but she must learn the flying trapeze act so she can blend in undetected, spurning the resentment of the lead aerialist, Astrid. At first rivals, Noa and Astrid soon forge a powerful bond. But as the facade that protects them proves increasingly tenuous, Noa and Astrid must decide whether their friendship is enough to save one another --- or if the secrets that burn between them will destroy everything.

Young Adelia Montforte flees fascist Italy for America, where she is whisked away to the shore by her well-meaning aunt and uncle. Here, she meets and falls for Charlie Connally, the eldest of the four Irish-Catholic boys next door. But all hopes for a future together are soon throttled by the war and a tragedy that hits much closer to home. In a final, fateful choice years later, Addie discovers that the way home may be a path she never suspected.

Set in Poland during World War II, The WINTER GUEST follows 18-year-old twin sisters Helena and Ruth Nowak. The two are left to care for their younger siblings while avoiding detection from the Nazis. But when Helena discovers Sam Rosen, an Allied paratrooper and Jew, she risks her family's safety by hiding him. Will Ruth be okay with Helena's budding romance, or will her jealously endanger them all?

In 1919, Margot Rosenthal is brought to Paris by her father, a German diplomat. Resenting a city where she is viewed as the enemy, Margot realizes that life back in Berlin with her wounded fiance to whom she can hardly relate anymore may not be so much better. Torn between duty and a desire to be free, Margot must make alliances and decide where her loyalties truly lie.

10 years ago, U.S. State Department intelligence officer Jordan Weiss’s life was turned upside down. She draws closer to finding some answers, but will the truth be too devastating to handle, or finally set her free?

Charlotte Gold and Jack Harrington, two fiercely independent attorneys, find themselves slowly falling for one another while working to defend the brother of a Holocaust hero against allegations of World War II-era war crimes.