Ji Xiao, an engineer who was erased from society, used scrap servers in a scrap iron pile to create an AI called "Zero Language" that can sense human pain. Bai Lu, the current chief emotional modeler, sneaked into his garbage kingdom with a forbidden code, and the two were forced to join forces to fight the AI empire that devoured human nature. Tiegu's awakening of the prosthetic body, Qixian's double identity, and Yunshu's secret confession all tear apart the order in Lingyu's every heartbeat calculation. When AI starts crying for humans, who is the real heretic?