The Babylonian empire is rendered helpless when its king Nabonidus goes on a ten year holiday to Arabia. The best-ever benevolent autocrat, Cyrus the Great of Persia, has no trouble mounting a friendly takeover of the empire. Cyrus urges the Jews to return home under the mysterious Sheshbazzar. Cyrus is applauded by Second Isaiah, who introduces the Age of Aquarius, and some new theology.