During Xianfeng, The political situation is in turmoil and the society is sluggish. As the supreme ruler of the dynasty, Emperor Xianfeng, he had no sons and daughters in the Spring and Autumn Period, which caused people with evil intentions to covet the throne. Rumors spread in the palace that the emperor was barren. In the rumors, the ministers of the DPRK and China formed independent factions. At this time, Emperor Xianfeng was under great political threat
In a festive celebration, Emperor Xianfeng met Lan Er by chance. He was attracted by Lan Er's cleverness and cuteness. Take Laner into the palace. Xianfeng bestowed Lan'er the title of nobleman, but was also opposed by the Queen Mother. The Empress Dowager made a decree that if Lan'er could not continue to have an heir for the royal family within a year, she would be thrown into limbo. Lan'er knew the secret of the emperor's infertility. In order to keep her life and prosperity, Lan'er had to compete secretly with the queen mother. She wanted to invite her friend to the palace to see a doctor for Xianfeng, but the news accidentally reached the ears of the Queen Mother, so the Queen Mother devised a plan to kill two birds with one stone.