This story is adapted from a real case in the 13th year of Zhengde in the Ming Dynasty (1518).
In order to avenge the murder of her father, Jiang Lan, a girl from Jiangcheng, endured for fifteen years, and finally killed the evil thief at the enemy's birthday banquet, and then surrendered in court. This case spread widely and had great influence, ranging from the emperor's cabinet to the common people. Song Rui, the daughter of Jiangcheng County, Xi'an Prefecture, became very interested in this matter...
Purpose: To speak for the voiceless and find a way for the despairing