Before the BC, Emperor Wu of the Han Dynasty created the prosperous world of the Central Plains, but the Xiongnu in the north had a huge conspiracy. The madman Dongfang, who is known as the "first smart in the world", even accepted the emperor's daughter as an apprentice. The mentor and the teacher jointly investigated the case. The clues were only a golden sword. They unexpectedly dig out the secrets that have been buried for a long time. In the frontier battlefield, there are Li Guang, Wei Qing, Huo to go to the hospital and other famous soldiers. They fight against the Xiongnu and kill countless enemies. They are Han Chinese heroes admired by the people. However, even the most powerful heroes are big emperors. How do these heroes, how to deal with advances and retreats in the political battlefield? The war became more and more fierce. The Emperor Wu sent Zhang Yu to the Western Region and opened the Silk Road. He changed the political ecology of the Dahan Dynasty, and the pro-policy was on the table. The fate of several princesses turned to the unknown desert.