According to legend, there are two killers with stunning looks. One is dressed in plain clothes and is known for his "soft" killing techniques, known as "Plain Hands Touching the Dust". The other is dressed in ink clothes, invisible in the dark, killing people like hemp, known as "Mo Yin Wu Yao". These two people are not evil and will not kill. During the day, one is a weak doctor named Liu Fufeng, and the other is an aggressive legitimate daughter of the general's palace. The two join forces and are known as "The Beauty Saves the World"
Purpose: The feelings of family and country are guarded