One of the Nine Heavens, Xuan Tianjun, was assassinated that day. What seemed like a famous incident was not that simple. The seemingly prosperous and prosperous Tang Dynasty had many major problems, and there were also undercurrents surging in the world. Many years later, Xuantianjun's son walked out of the world in high spirits. While exploring the truth, he also worked hard for his own goals. The only thing he wanted to change was the world.