Nini and Mimi are strolling musicians-bassist. For days they are playing on the streets of Rome. One day Nini announced that he has one million and one thousand pounds, having inherited from her grandmother died. Now world belongs only to them, and they can do everything! Ahead of them are Paris, Madrid, England, Scotland, Hong Kong, the United States ....
The evil Queen Tenefi demands that a steady supply of young women be sacrificed to the God of Fire. Maciste intervenes and saves from this sacrifice a village's women including the beautiful Antea. Maciste then becomes involved in an effort to restore to the throne of Memphis its rightful ruler, Prince Iram.
The evil King Zagro has designs on the beautiful Princess Sira. He wants to marry her so he can take over her kingdom and add it to his own. When Sira is kidnapped, Ursus leaves his farm to rescue her and to eventually lead a revolt against King Zagro.
