Bai Xiaofei's life used to be uneventful and uninspiring, until a chance encounter with a mutant of exceptional strength while searching for his girlfriend. As a mere mortal, Xiaofei was overwhelmed and incapable of defeating formidable foes or uncovering the reason for these odd mutations. Nevertheless, after self-administering a performance-enhancing substance that he purchased from the internet, he starts to unlock his full capabilities.