Another world is inhabited by a group of creatures that are completely different from the common animals and plants. Since ancient times, people have called them "worms" with awe. When the insect world and the human world overlap, the insect master Yingu will appear. The insect mentioned in the introduction is obviously not a small thing that looks like a writhing flesh, but a creature that is closest to the origin of life and is similar to a spirit body. They have their own way of survival, which may go against human common sense and even endanger human survival. As a result, the profession of "insect masters" emerged. They travel around, study the life forms and survival methods of insects, and accept people's entrustments to solve strange incidents that may be caused by insects. Yin Gu is one of them. Yin Gu, he went into remote areas to follow the tracks of insects. Insects may lurk in people's bodies, lurk in swamps, and lurk throughout mountains; they can bring diseases, plagues and other terrible disasters. Yingu traveled through the consciousness of the grass and trees, found the problem, and solved it. Along the way, he had sympathy with the young genius painter, the girl who wrote the Insect Scroll, and the master who protected the place's safety, but then parted sadly. Here, coexistence and sacrifice are always the saddest topics...