In a wasteland filled with radiation dust, Lugu Yuchen drives a steel chariot "Iron Thorn" that is fueled by emotions. When the iron hoofs of the predators broke the smiles of the orphans, he cried for the first time in the cockpit - the armor of the tank actually turned into towering mountains in his grief. This is a path of redemption driven by emotion, witnessing that protection is more powerful than destruction.