Ulysses was a novel written by Joyce in the United States. It was regarded as one of the most important novels of the 20th century. The novel was mainly about an English pub owner named Ulysses and his friends in New York City. At the beginning of the novel, Ulysses was chatting with his friends in his bar. Suddenly, he heard a noise and a cat was hit by a car. This incident shocked Ulysses and he began to think about his own life. In the following story, he gradually understood the dark side of his heart and began to reflect on his way of life. The story of the novel was very rich and contained many different characters and events. Ulysses 'friends included a girl named Allen, a musician named Michael, and a politician named Samuel. Each of them had their own story and personality and interacted with Ulysses. At the end of the novel, Ulysses looks back on his life and realizes that he has lived a very rich life. He also realized that he had a deep understanding of his own heart and a clearer understanding of his own life. Ulysses was a novel full of philosophical depth and human thinking. It explored the meaning of human existence, the dark side of the heart, and the essence of life by telling the story of a bar owner.