Undercover police officer Xu An
Xie Wan and Xu An were each other's best childhood playmates. Later, Xie Wan's parents died, and Xie Wan was taken away and raised by Sheriff Yan Yi. As they grew older, the two lost touch with each other. Many years later, Xie Wang was injured while on a mission. During his recuperation, he met Lu Fengshi (Xu An) who was knocked unconscious. Lu Fengshi (Xu An) woke up and pretended to have lost his memory, but in fact he had been searching for news about this police officer...
Purpose: Justice and law enforcement