Fengyou, 20 years old, is a sophomore student in the Department of Archeology at a university. Because the school was on summer vacation and the school dormitory was being renovated, he stayed at home for more than three months making rice bugs every day. His sister and mother couldn't stand it anymore, so they paid for him to go on a trip. , However, he accidentally fell into a mountain stream in the forest of an unknown mountain village, and then met Feng Jiuxiao in a tomb in a cave at the bottom of the mountain stream. From then on, adventures continued. However, if he had a choice, sometimes he would rather he had never stepped into that ancient tomb. . . .