When Nishiyama is executed by the Tokugawa Shogunate for supposed heresy (after discussing the arrival of "black ships" that will end Japan's long isolation), his wife and son flee with the book in hand, passing down the knowledge to future generations.

At the onset of World War II, his descendant, Gengaku, is interrogated by an Imperial Japanese Army officer about the family's continued preaching of the prophecies, which predicted the rise of Nazism and the defeat of the Axis powers.

The U.N. sends a research expedition to New Guinea to investigate a radioactive dust cloud that appeared over the island, but the team suddenly goes out of all contact.

The team fight off the cannibals and chase them into a cave, where they find the remains of the original group, but are disheartened that some of them are barely alive; they are forced to kill and bury the survivors.

As the prime minister explains a resolve to find a solution, Nishiyama, his daughter Mariko, and her boyfriend Akira (a globetrotting photographer) leave the Diet building.

Others, such as depicting cedar-covered mountains turning brown from excessive UV radiation, were done by dispersing diluted sulfuric acid on part of the forest.

The premise was for the audience of a Ben Goto lecture slipping through time to July 1999, witnessing the apocalyptic events of Nostradamus’ quatrains.

Toho publicly apologized, and after briefly pulling the film from theaters, re-issued it in December 1974 with 105 seconds of cuts, including the two offending sequences.