Post-apocalyptic sci-fi and fantasy. In the 41st century, the earth is ravaged by nuclear war, forcing the humans to flee to the airborne city of Airlandis for safety. To keep Airlandis afloat, the citizens have to maintain a supply of magic energy crystals. Airlandis' sworn protectors are three brothers and one sister, known as the Dragon Flyz: Zeneth, Summit, Peak, and Apex. The four siblings have wings of their own, but for extra firepower, they ride on powerful dragons. They fight the sinister Dread Wing.