Zeng Yin accidentally traveled to modern society, penniless and ignorant of modern rules, and fell into trouble. This is the first scene. When she saw the bodyguard recruitment advertisement and successfully applied for the job with her martial arts skills, this was the first dilemma she faced: whether to continue to be confused in a strange society or to bravely try a new career. After becoming a bodyguard, she protects Lin Wan, the daughter of a wealthy family, and encounters crises such as gangster attacks and killers sabotaging business activities. She struggles with the dilemma of whether to save or not to save, and how to save her every time. This is the second act. As her understanding of modern society deepened, she decided to open a martial arts gym to teach martial arts. This was another important choice she faced, whether to be content with the status quo or to contribute her own strength to modern society. In the end, she bravely chose the latter and created her own excitement in modern society. This is the third act. The entire story revolves around Zeng Yin's experience, showing the moral premise of making brave choices in difficult situations, adhering to one's original aspirations, and creating value.