Star calendar year 17171, in order to recover the roots of civilization that was burned by the war, Tianchenxing projected the consciousness of general Yu Diheng and researcher Qiao Yu into the time stream of Blue Star. Carrying their complete memories, they measured every "civilization anchor point" in Blue Star's history over the course of three hundred years, and pieced together their own lost past amid human struggles and leaps. From the dusk of the empire to the dawn of modern times, in their lonely watch and invisible bonds, they gradually uncover the shocking truth about the intertwined fate of the two planets...
Purpose: To create peace for all generations