In the midst of World War II emerges two teens at different sides of the war. Alek just wants to get back to his homeland and settle into a life of peace, but a special mission and a request for help changes everything. Deryn is ready to serve, ready to risk her life, ready to jump into the fray and fight. Two polar opposites must come together, persevere, and find hope in the dark world that is Adolf Hitler's reign. Perhaps there is hope for the world after all.