A sudden "Jin Xiang" virus sweeps the world. The infected people will turn into ashes in pain, leaving only their clothes, shoes and hats scattered everywhere, and the world order will instantly collapse. Ling Weixi, an ancient book restorer, narrowly survived the virus outbreak and witnessed the city's transition from prosperity to death. He wandered around the wasteland carrying an ancient fragment that was inexplicably hot. On the way, he met a girl with a special sense of smell who could sense the remnants of the virus, and an old professor who held the secrets of the underground shelter. Together, they travel through the dangerous areas where the virus remains, exploring the strange truth of the "Ember Sound" virus. In the intertwining darkness and glory of human nature, they look for the "Ember Sound" that allows human civilization to continue in the apocalypse.
