The Yan family, a large family passed down from ancient times, even spreads magical laws that people don't know about. She, Yan Yingxi, was destined to become the next generation of law enforcement god and head of the Yan family from the day she was born. However, a dispute over family interests caused her to lose her relatives, leaving her and her sister to depend on each other. Once in time, she was the daughter of a general, but she disguised herself as a man and became a high-ranking prince. In order to find her sister, what will happen to her...