"Miserable World" was a tragic story about the French revolution. The protagonist of the story was Jean Valen. He was a poor French bread worker who had accidentally obtained a list of tax evaders, thus avoiding taxes and relying on this wealth to live a luxurious life. However, his happy life did not last long. Because of his cruelty and violence, he was sentenced to death. Through the story of Jean Valen, the novel reflects the political and social reality of the French Revolution and portrays the complexity of human nature, especially the description of those who struggle between poverty and luxury. The novel also explored topics such as freedom, equality, and human rights, demonstrating Hugo's outstanding narrative ability and profound depth of thought.