In the early 21st century, a devastating earthquake razes Tokyo, leaving Japan without its government and industrial core and plunging the country into lawlessness. Seeking his missing sister, Takateru Suga discovers she has been taken by the powerful Koryukai gang. Determined to rescue her, he teams up with a drag queen, two former mercenaries, and a nun, and together they set out to dismantle the crime syndicate.