Wei Huachou earns money as a songstress in a brothel in order to provide for her younger brother, Wei Yucheng. When Yucheng is to marry Yu’e, Yang Tianbao’s younger sister, Huachou gives him jewelry for a betrothal gift, which was given to her by a patron, Lu Guike. Tianbao is ashamed of his poor family and decides to steal some valuables for his sister’s dowry. He comes to the brothel, meets Huachou, and pours out his story. The two feel sympathy and pity for each other. Huachou gives Tianbao some gold jewelry, a gift from Dapeng, Guike’s son. On the wedding day, Lu Guike comes to congratulate the couple and sees the gifts; he jokes that this is a marriage of father and son. Huachou and Tianbao are duly exposed.Yucheng storms away in a rage.
War breaks out and the Lu house is ransacked. Lu Dapeng joins the army to defend the state. The sympathy Huachou and Tianbao share blossoms into romance and marriage. After the marriage, Huachoustill sings for living. A ruffian, Wu Shou, has secret love for Huachou and writes a love letter to her, but has his servant deliver it to her husband. Tianbao flies into a rage and leaves home. The ruffian forces himself on Huachou; and during the scuffle,Yu’e is killed. Wu Shou bribes the official clerk and accuses Huachou of murder. Tianbao, Dapeng and Yucheng return as feudal lords after they heroically save the emperor. The case reopens, redressing the grievances of the wrongly accused with a letter written by Yu’e in blood before her death and presented by a timely servant to the court. The truth finally surfaces. Huachou is acquitted and returns to her husband and brother.