Defending the Nation: The Sun and Moon Never Set

December 1, 2021: the day the COVID-19 outbreak began in Wuhan, Hubei, China. For personal reasons, the protagonist, Sima Zhenqing, unexpectedly encounters Li Chunfeng, a Tang dynasty thinker. A history enthusiast, Zhenqing gets the chance, through Li Chunfeng's introduction, to travel back in time and witness five thousand years of China's rise and fall. Hoping to let future generations learn from history and witness what lies ahead, Zhenqing records the entire journey to trace things back to their origins. But Li Chunfeng's death and the appearance of Fu Hao plunge Sima Zhenqing into one predicament, humiliation, and challenge after another…