The film depicts the marriage between the mad Charles VI of France and his wife Queen Isabeau.

Inge and Ludwig are full-time farmers in the Black Forest, with dairy cows and a dairy. Everything organic, all the highest quality. Despite the hard work, it is a fulfilling life. Would not it be the financial situation. As much as the two work, the debts devour them, the farm is endangered. Inge decides to look for a part-time job. When the opportunity arises to start with an escort service, she gets involved. And the plan works. But the relationship is put to the test when one of Inge's clients falls in love with her and the situation escalates.

Maciste arranges for himself and his new friend Bangor to be captured by a mysterious band of white-clad marauders and taken to an underground city. There the two are forced to turn an enormous wheel along with other captives as part of a gold-and-diamonds mining operation. The underground city's queen, Halis Mosab, takes note of the handsome, muscular Maciste and chooses him to be her consort if he can meet such challenges as saving the kidnapped Princess Saliura from a gigantic ape. Maciste kills the ape and carries Saliura back to the aboveground world. The white-clad marauders can't follow them if it means being caught in the sunlight which instantly dissolves them. Maciste then returns to the underground city to save the other captives. Meanwhile, high priest Kahab informs his son, Katar, that their queen is not one of them but, unbeknownst to her, was kidnapped as a small child from the "world above." If Katar can marry her...