Chaya Lindner is a teenager living in Nazi-occupied Poland. Simply being Jewish places her in danger of being killed or sent to the camps. After her little sister is taken away, her younger brother disappears, and her parents all but give up hope, Chaya is determined to make a difference. Using forged papers and her fair features, Chaya becomes a courier and travels between the Jewish ghettos of Poland, smuggling food, papers, and even people. Soon Chaya joins a resistance cell that runs raids on the Nazis' supplies. But after a mission goes terribly wrong, Chaya's network shatters. 

World War I stretches its cruel fingers across Europe, where five young people, each from different backgrounds and nations, face the terror of battle, the deprivations of hunger, and all the awful challenges of war.

Danger is never far from Audra’s family farm in Lithuania. She always avoids the occupying Russian Cossack soldiers, who insist that everyone must become Russian - they have banned Lithuanian books, religion, culture, and even the language. But Audra knows her parents are involved in something secret and perilous. When Cossacks arrive abruptly at their door, Audra’s parents insist that she flee, taking with her an important package and instructions for where to deliver it. But escape means abandoning her parents to a terrible fate.

Six hundred and fifty-seven days ago, Meg Kenyon's father left their home in France to fight for the Allies in World War II, and that was the last time Meg saw him. Recently, she heard he was being held prisoner by the Nazis, a terrible sentence from which Meg fears he'll never return. Suddenly, an impossible chance to save her father falls into Meg's lap. After following a trail of blood in the snow, Meggie finds an injured British spy hiding in her grandmother's barn.

Hazel Rothbury is traveling all alone from her home in England aboard the celebrated ship Titanic. Following the untimely death of her father, Hazel’s mother is sending her to the US to work in a factory, so that she might send money back home to help her family make ends meet. But Hazel harbors a secret dream: She wants to be a journalist, and she just knows that if she can write and sell a story about the Titanic's maiden voyage, she could earn enough money to support her family and not have to go to a sweatshop.