The Da Vinci Code was a science fiction novel written by the British author, Asimoff. It told the story of a fictional historical period and a group of scientists, explorers, and mysterious people. The protagonist of the story was a scientist named Da Vinci. He was an outstanding artist, inventor, and scientist during the Italian Renaissance. He and his assistants discovered a mysterious medium that could transmit information. This medium was called the Da Vinci Code. They used this medium to transmit important information about the Earth's environment, the origin of the universe, and other important information. This information was called the " Cosmic Code." However, this code was discovered by a British scientist named Charles Darwin. He believed that this code could be used for military purposes, and a battle for the code began. In this war, Da Vinci and his assistants were forced to use the Da Vinci Code, but they found that the code could be cracked, so they fell into a life and death crisis. In the end, Da Vinci and his assistants decided to give up the password and save the research results, but they also paid a heavy price for it. The story ended with Da Vinci's disappearance, leaving a deep reflection on technology, history, and human nature.