Ben Gold lives in dangerous times. Two generations ago, a virulent disease turned the population of most of North America into little more than beasts called Ferals. Some of those who survived took to the air, scratching out a living on airships and dirigibles soaring over the dangerous ground. Ben, a lone wolf, has reluctantly agreed to use his skills and his airship to help an idealist scientist, Miranda, on her search for a cure. Protecting her...