In the late Ming Dynasty, the emperor was incompetent and the eunuch party held absolute power. Eunuch Wei Zhongxian controlled the court and formed factions for personal gain, cultivating three highly skilled female assassins, Leng, Ling, and Ying, to serve him. Commander of the Royal Guards, Ouyang Han, restrained himselfThe powerful East Factory personally obtained the secret letter to overthrow Wei Zhongxian. Three female assassins were ordered to assassinate Ouyang Han and retrieve the secret letter. Unexpectedly, the mission encountered an accident, and the assassin Ling disguised herself as a weak womanEntering the top scholar inn where Ouyang Han was hiding, he met his former childhood sweetheart Li Buxiao, and at this moment, the real conspiracy had just begun