The sudden appearance of "Burnout Shock", an enigmatic, ruinous element, causes widespread chaos on Earth, rendering all sources of energy and fire useless, leading to a societal upheaval. Ra Yi, amidst the pandemonium, witnesses his mother's murder by the notorious mafia leader, Sakan. To survive, he takes a dangerous leap of faith and swallows an untested pill that transforms him into a powerful mutant known as a "subject"; however, the adverse reactions of the pill threaten his life. With no other option, he embarks on a perilous journey to locate the "Lady of Fire", the sole being who can heal him, in the treacherous "Top Zone", beginning his quest for vengeance.
