During a top-secret test flight in extremely bad weather, the J-20 "Vyron" fighter piloted by Air Force ace pilot Zhou Tong encountered an unprecedented electromagnetic storm and space anomaly, and completely lost contact with the base. When he struggled to break out of the turbulent airspace, he found that the navigation system had completely failed and there was not much fuel left. He was finally forced to make a successful emergency landing in an unfamiliar and war-torn land. It was later confirmed that he traveled through time and space and came to the Chinese Anti-Japanese battlefield in 1938.
