During the Zhengde period of the Ming Dynasty, Dong Yunfei was a famous detective in the Six Fans. In order to solve the murder case of his mentor Ye Guotao, he teamed up with a group of loyal ministers and generals such as Lan Xiangye to go through risks to uphold justice and eliminate harm for the people. In the end, he found the real culprit Ding Hetian who hid the national treasure, and the case was exposed to the world.