Night Wings

The distant future of earthly civilization, experiencing decline. Human society is divided into castes based on the principle of non-interference in each other's affairs and strict delineation of activities. Rulers, Chroniclers, Surgeons, Aeronauts perform their duties, ignoring representatives of other castes. But this world is fragile – exiles from Earth have vowed to take cruel revenge on their oppressors, and the caste of Observers stands guard day and night, awaiting invasion…