For three years, Beiyan was held hostage, and the third princess Xiao Qingqing was reduced from a golden branch to a plaything at the mercy of others. The pain of the broken finger and the sorrow of the secret medicine all stem from the Prime Minister Gu Chengyuan, whom she had devoted her heart to. In order to exchange for her "savior" Shen Wanning, he personally pushed her into hell, and wiped out all her affection and sacrifice with the words "It's too noisy". When she returned, she restrained her sharpness and pretended to be submissive, just to find a chance of survival in the desperate situation of the palace.