Every season of Undercover High School ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of Undercover High School!

Byungmoon, Korea’s top private high school, is rife with corruption, where status and success matter most. Hae-sung, a top NIS agent, goes undercover at Byungmoon to find Emperor Gojong’s hidden gold and uncover the truth behind his father’s disappearance. Cold and calculated, he sees the school as an obstacle—until he connects with students and a former crush and becomes a reluctant hero. Torn between duty and newfound bonds, can he still complete his mission?

The Best Seasons of Undercover High School

Every season of Undercover High School ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of Undercover High School!

Every season of Undercover High School ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of Undercover High School!