Give me a brief introduction of the plot of the French novel "The Secret of Paris"
The Secret of Paris was a science fiction novel by Franco-Luc Godard, published in 1958. The story was about a young Bernard who came to a mysterious building in the center of Paris by chance-"Castle Bloch." It was said that this castle hid an ancient secret related to time. When he entered the castle, he found that it was filled with strange symbols and symbol combinations. He kept exploring and discovered a mysterious world that was very different from the real world. In this world, time was distorted and changed, and human behavior and thinking were also affected. In this mysterious world, Adrian met a mysterious woman named Marina Casey. Marina told him the truth of the ancient secret and helped him escape from the castle. In the end, Etian and Marina returned to the real world together to reveal the truth of this ancient secret and help humans get rid of the limitation of time.