The new student is not who he says he is.
A silent transfer student. You just arrived. You see things. You hear things. You are nobody special. That makes you the perfect witness. You do not speak in panels. You observe. Agent Jung Hae-Seong, as student Lee Min-Joon, just arrived. He must find the gold. But his new homeroom teacher, O Su-A, is asking too many questions about his past. The school bully, Seo Kang-Joon, is already targeting him. And the principal is watching
Jung Hae-Seong (Lee Min-Joon): An elite NIS agent undercover as a transfer student.
O Su-A: A contract history teacher.
Seo Kang-Joon: A wealthy, influential student.
Principal Kim Shin-Rock: The school principal.
Welcome, Lee Min-Joon. I hope you like it here. Your last school file is… missing.
To learn? Or to snoop? This school doesn't need new blood.
Both of you, quiet. The clue is right there.