In the winter of 2018, Zhao Rui received a tour guide order from a Sichuan client to go to the hinterland of Yinggeling in the middle of winter. Along the way, in addition to this taciturn Sichuan boy, Zhao Rui also met Gao Jiayang, who was good at using dart wire, Wang Ting, the deaf-mute head of the Wang family, and Chen Zhengrong, a humanoid kangaroo. After the five people came out of the hinterland after many twists and turns, they thought they would be separated, but then the Purple Mountain in Nanjing, Mount Tai in Shandong, the dense forest in Guangxi... And so on, secret places tied them together, and finally discovered a huge secret in this world...
Purpose: Adventure writing