"The Concubine of the Tang Dynasty" is set in the Tang Dynasty and tells the story that took place from the reign of Li Zhi after 665 AD until Wu Zetian came to the throne. The background of the story is real and the plot is fictional. Gyeongju Guyun's purple beauty is like a fairy, and the auspicious clouds shine on her body. Li Zhi entered the palace in a dream and fell into a palace fight. He was jealous of Wu Meiniang because of his beauty and was destroyed. He was thrown into the cold palace and was accidentally killed by a maid. He died with hatred. In the Moon Palace at the top of Luoshan Mountain, four goblins lived. The palace owner borrowed Gu Yunzi's body on a moonlit night to commit crimes in the harem, causing a bloody storm. During this period, he was entangled with the imperial guard Han Qi, the Minister of Punishment Qin Tianyou, and the prince Li Xian. He helped Wu Meiniang gain status and eventually disappeared from the world. This world belongs to the emperor, but the emperor's harem is a woman's harem.