Japanese peasants Matashichi and Tahei try and fail to make a profit from a tribal war. They find a man and woman whom they believe are simple tribe members hiding in a fortress. Although the peasants don't know that Rokurota is a general and Yuki is a princess, the peasants agree to accompany the pair to safety in return for gold. Along the way, the general must prove his expertise in battle while also hiding his identity.
Mining engineer Shigeru investigates the disappearance and death of his fellow coworkers when prehistoric nymphs are discovered emerging from the mines. After an attack on the local village, Shigeru heads deeper into the mines only to make a more horrifying discovery in the form a prehistoric flying creature. Soon a second monster appears as the two converge in Fukuoka.
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.
A samurai answers a village's request for protection after he falls on hard times. The town needs protection from bandits, so the samurai gathers six others to help him teach the people how to defend themselves, and the villagers provide the soldiers with food.
Admiral Isoroku Yamamoto, a brilliant tactician, is a loyal subject of the emperor, despite his grave misgivings about leading Japan's navy into war with the United States. He opposes the attack on Pearl Harbor, but, overruled, he leads his forces to the best of his ability.
