In the cyber-immortal city "Xuanji City" where gears and runes are intertwined, the undertaker Chen Wen bound the memory chip and causal deduction system left behind by the deceased due to an accident. Every night, he dreams of another brave and fearless "self", and the serial death cases in reality are pointing all clues to the top cultivation technology company "Tiangong Pavilion". When the cold machinery begins to copy the fiery soul, when salvation means destroying everything that exists, he, who is hiding in a funeral parlor to survive cautiously, must embark on a dangerous journey to uncover the ultimate truth of the city - before he is replaced by a mirror image, and before the entire city is refined into a magic weapon.
