Luo Chen, a young boy from an ordinary background, was sent to the care of an old man in a forest in the northeastern mountainous area by his family because he was born with strange eyes and a weird personality. The old man took him as his apprentice and taught him hunting and tracking skills in nature. Luo Chen had some success in school, but was told that his master was about to travel far away to solve a problem. Luo Chen also followed the master's instructions and was admitted to a well-known university in the capital, and searched for an unknown book in the university. Four years into college, when Luo Chen found the book, his master disappeared, leaving him only a note and a location. When Luo Chen found the place according to the instructions in the note, a series of strange and unpredictable things happened. . . . .