At the end of the Ming Dynasty, Wei Zhongxian, a powerful eunuch, is a dictator, and the Emperor is planning to eliminate him. At this time, the daughter of Imperial Secretary Hong, who was supposed to be a consort in the palace, died in an inexplicable way. Xiang Shi, the commander of Department Six, sends Ye Fei and Yun Ling to fight with Wei Zhongxian to find out the truth of the case. Wei Zhongxian sets a bigger trap and Department Six is massacred.
