Qin Lie, an eighteen‑year‑old youth from the lower city, possesses an F‑class “Garbage Recycling” talent. He suffers endless bullying while trying to save his sister from crystallisation disease. In truth, he harbors an SSS‑class talent: “Devour All Things”, capable of refining anything. Using it, he reforges machinery, crushes gangsters and the powerful, and shatters the fate of class. In the end, when everyone bows before him, he smiles calmly: “I’m just a trash picker. Don’t kneel.”