During the summer vacation after the high school entrance examination, the students in Class 9 of Junior High School prepared to take a grand graduation trip to commemorate and recall three years of friendship. They didn't want teachers or parents. They only hired two people who were said to be local tour guides, and then began their adventure on the highest peak at 30° north latitude.
What secrets does the mysterious ancient tomb discovered accidentally during the journey hold? Does the legendary snowman and the treasure he protects really exist? What are the true identities of the two people who claim to be tour guides? How could Feng Yao be kidnapped by those two people? ! ...
Too many mysteries and dangers are gradually approaching...