The heroine Su Wanyue was rescued by Yaogu due to the massacre of Qingzhou City and her family was destroyed. She was given the space of Qingluan Medicine Garden, and she has excellent medical and poisoning skills. Eight years later, she infiltrated the marriage mission as a medical girl to seek revenge, and she used each other and secretly fell in love with Xiao Chengyu, the third prince of Beiyan who was responsible for the infamy of Qingzhou. She used poison to slap Bai Lianhua in the face, helped the prince seize the throne, and exposed Xiao Zhantian's conspiracy.
