A master puzzle-solver hidden amid the hustle and bustle of city life, he wraps his keen insight into human nature in his "scallion pancake philosophy." While others laugh at his clumsiness, he has already been quietly weaving a net to catch the truth. As one strange case after another is solved, this "detective" who always carries scallion pancakes makes Officer Li Wei of the Criminal Investigation Squad and her colleagues gradually realize that the naive look on his face is just a thin pancake. Bite through it, and you'll find stories even more intriguing than the cases themselves.