In the wasteland era, humanity is driven to desperation by zombies. Unofficial mechanic Lin Mo is abandoned by his teammates, but on the verge of death, he awakens the Mechanical Emperor System, relying on mecha technology to rise from prey to hunter. He delves into the Qingmu Hunting Ground to slay zombie fiends, meeting the mysterious wind-type powerhouse Feng (Li An'an). Together, the two slay the zombie fiend emperor, and Lin Mo even awakens metal abilities. Finally, the two head together to the Sky Base, humanity's largest settlement, joining the Cleaners Guild to begin a brand new journey of fighting zombie hordes and protecting humanity.