There is some knowledge in the world that is very unpopular and very few people know about it. Few people study the treasures of knowledge, and few know their value. The protagonist is a student at Tsinghua University, a mysterious person in the eyes of his classmates, and much of the knowledge he has learned in the four years of college is knowledge in fields that others cannot touch in their lifetime. He encountered some things, and in the end only by relying on this unpopular knowledge could he get out of the abyss.