The story takes place in the early years of Emperor Qianlong's reign in the Qing Dynasty. The young girl Wei Yingluo (played by Wu Jinyan) was selected into the imperial palace with a group of beautiful girls of the same age. Yingluo is beautiful and smart, and has a kind heart, but her original intention of entering the palace is different from that of other girls. Because her sister was murdered, Yingluo is determined to enter the Forbidden City to track down the murderer. She mistakenly believes that the emperor's younger brother Fu Heng (played by Xu Kai) is the real murderer behind the scenes, so she pretends to approach him. After resolving the misunderstanding, Yingluo finds that she also likes this man. Empress Fucha (played by Qin Lan) appreciates Yingluo's intelligence, so she keeps her by her side and trains her carefully. Once you enter the palace, you will never be able to recover. In order to gain the favor of Emperor Qianlong (played by Nie Yuan), the women in the palace will not hesitate to intrigue and kill people with a hidden knife. In the Shura field where humanity has been lost, Yingluo has to fight back to protect herself. She has more and more contact with the emperor and begins to be favored by the emperor. After entering the Yanxi Palace, Yingluo helps the emperor reach the pinnacle of power...