Li Quan traveled through time and became one of the eunuchs who cleansed people in the ablution room, but to Li Quan's horror, he was not mutilated. Not only that, he also discovered a big secret: the emperor was actually a woman disguised as a man. The empress also discovered that there was a real man hiding in her harem. After some coercion and inducement, Li Quan became the empress's substitute, specializing in doing dirty and tiring work.