Mothra's dark counterpart, Battra, emerges to eliminate humanity on behalf of the Earth. Two tiny fairies called the Cosmos offer their help by calling Mothra to battle the creature. Unfortunately a meteorite has awoken a hibernating Godzilla as a three way battle for the Earth begins.
A pair of down-on-their-luck swordsmen arrive in a dusty, windblown town, where they become involved in a local clan dispute. One, previously a farmer, longs to become a noble samurai. The other, a former samurai haunted by his past, prefers living anonymously with gangsters. But when both men discover the wrongdoings of the nefarious clan leader, they side with a band of rebels who are under siege at a remote mountain cabin.
After World War II, their town was a pile of rubble. Gennosuke, the second generation boss of the Kamizu Group was upholding yakuza chivalry by keeping black-market and illegal items out of their open-air market. Taking advantage of the mess, Iwasa and his gang take hold of goods from the US military, black-market and controlled items in order to become the most powerful group in Enko area.
