Marco Polo travels from Venice to Peking, where he quickly discovers spaghetti and gunpowder and falls in love with the Emperor's daughter. The Emperor Kublai Khan is a kindly fellow, but his evil aide Ahmed wants to get rid of Kublai Khan so he can be emperor, and to get rid of Marco Polo so he can marry the princess. Ahmed sends Marco Polo to the West to fight barbarians, but he returns just in time to save the day.

Berlin's plushest, most expensive hotel is the setting where in the words of Dr. Otternschlag "People come, people go. Nothing ever happens.". The doctor is usually drunk so he missed the fact that Baron von Geigern is broke and trying to steal eccentric dancer Grusinskaya's pearls. He ends up stealing her heart instead. Powerful German businessman Preysing brow beats Kringelein, one of his company's lowly bookkeepers but it is the terminally ill Kringelein who holds all the cards in the end. Meanwhile, the Baron also steals the heart of Preysing's mistress, Flaemmchen, but she doesn't end up with either one of them in the end...