Four years ago, a mysterious air accident took away comrades-in-arms and relatives. Today, Fucheng, the youngest air force major in Huaguo, is specially recruited into the newly established UAAG (United Aviation Accident Group), a multinational cooperative air accident investigation organization. Aircraft accident investigation and consulting. The words of distress came from the lost black box, the broken plane wreckage reflects the distance between life and death... and the late truth from four years ago. The world's top aircraft accident investigation experts gather here We broke through the thick fog and searched for the truth, only to soar into the sky and embrace freedom. Zhuohuan Fucheng, I rode on steel wings, with fire and flames as the wind, and crossed the cliff where the thunder god screamed, looking for the city overflowing with milk and honey . God made a covenant with it, and the sky is your promised land. *The main character has retired