In the leaden bunker city, Sun Mao and everyone else lived like puppets, passively participating in "calibration" every day. Until a rebellion broke the dead silence and awakened his consciousness. At a critical moment, he discovered the strange "magic copper" in his pocket, which not only dispelled the power that corroded his consciousness, but also guided the path to spiritual enlightenment. Sun Mao has since embarked on a journey to escape from the prison.
