In 2142 AD, mankind struggled to survive the disaster of "Judgment Day". The advent of the alien mecha "disaster" has devastated the world. The two unrelated destinies of the genius mecha engineer Li Lun Sheng and the mysterious and powerful ace pilot Huang Meijuan intersect because of a secret plan codenamed "Prometheus".
When the ultimate mecha "Xuanyuan" designed by Li Lunsheng resonated with Huang Meijuan's soul, they became the last torch of mankind. This beam of light will not only pierce the darkness of the doomsday, but also illuminate a shocking secret hidden behind this disaster that is related to the survival of human civilization.
