Two fishing scout pilots make a horrifying discovery when they encounter a second Godzilla alongside a new monster named Anguirus. Without the weapon that killed the original, authorities attempt to lure Godzilla away from the mainland. But Anguirus soon arrives and the two monsters make their way towards Osaka as Japan braces for tragedy.
The story of Sanshiro, a strong stubborn youth, who travels into the city in order to learn Jujutsu. However, upon his arrival he discovers a new form of self-defence: Judo. The main character is based on Shiro Saigo, a legendary judoka.
A prehistoric monster called Gigantis emerges alongside another creature named Angurus.
