Undercover High School

About:

After a setback threatens his career, elite NIS agent Jung Hae Seong is sent undercover as a high school student to search for King Gojong’s lost gold. At Byeongmun High School, he crosses paths with passionate history teacher O Su A, who is struggling to secure a permanent position. As their relationship develops, Hae Seong discovers that the school is hiding a much darker truth. Together with those willing to stand against it, he takes on the powerful forces behind the corruption.