Born to an ancient line of noble and courageous forebears, Dejah Thoris, young and headstrong princess of the mighty empire of Helium, longs for a life of excitement and purpose beyond the cloistered walls of her royal palace. When a foreign ambassador arrives with an invitation to visit his city-state in hopes of fostering diplomatic relations, the princess defies the protests of her father and jed, traveling to the shadowy metropolis of Zor as Helium's...