In the giant city "Liuyun City" driven by steam and ether, everyone's value is determined by the "ether core" in their chest.
Chen Fu, a "waste" forgotten by the gears of the times, the core of his body is a piece of garbage that can't even light a spark. In order to support himself and his family in the dilapidated repair shop, he hung out in the gray area at the bottom of the city, relying on a mouth sharper than a knife and a brain that was always online, deceiving and abducting, and barely making a living.
A seemingly ordinary "treasure appraisal" business involved him in a deadly vortex that spanned gangs, giant corporations and the empire's secret departments. Only then did he realize that his "rusty heart" that never moved seemed to have a strange resonance with a forgotten ancient relic.
It's not a weapon, it's not an engine, it's not the key to wealth.
When cold mechanical prosthetics and deadly alchemy potions attack from the shadows, Chen Fu's only weapon is his nonsense and a mind that never admits defeat. Caught between lies and conspiracies, he must stir up the world that is about to collapse, and find out the truth behind his "waste" heart that is enough to make the entire empire tremble.
"Don't talk to me about the core level," Chen Fu wiped the blood from the corner of his mouth and smiled at the murderous enemy in front of him, "Although my heart can't spin, at least... My heart is cleaner than yours."