Tufu Palace is a forbidden place in the imperial court where the East Factory specially makes friends with its cronies and martial artists. In order to obtain the treasure map of the Ming Dynasty, the East Factory and the Jinyiwei are already at loggerheads. Therefore, the eunuch Liu Jin wants to get rid of the Jinyiwei commander Zhou Jinhui in one fell swoop in the name of the Tufu Palace treasure appraisal conference, but is disrupted by Shen Yuan, who is known as the "thief saint Yizhimei". Shen Yuan was seriously injured, and Zhou Mufeng helped her escape. When she stole her father's body and returned to Tianjimen, she learned that all this was just a fake game set by the East Factory, the purpose of which was to capture Yizhimei and get the method to crack the mechanism to open the treasure. The East Factory did not capture Yizhimei, nor did it seize the "Cloud Brocade Book" in the hands of Jinyiwei, but unexpectedly made Jinyiwei and Yizhimei stand in the same camp. So a martial arts order was issued, asking Mr. Qingye to wipe out Tianjimen and capture Yizhimei alive. Jinyiwei sent Zhou Mufeng to rescue Tianjimen and wait for an opportunity to find the treasure after approaching Yizhimei, and then execute Shen Yuan and others on the spot. As a result, the three forces gathered in the most famous brothel in the suburbs of Beijing-Yuanyangju. For a time, Tianjimen was attacked from all sides, and Shen Yuan also embarked on the road of escape. Zhou Mufeng, who was thought to be a common enemy, was just harboring evil intentions...