Undercover High School (2025)

Ace NIS agent Jung Hae-seong is demoted after a mission failure. He goes undercover at a high school to locate King Gojong's missing gold, meeting his teacher Oh Soo-ah, who sees him as her lost first love, stirring old heartbreak.

Seo Kang-Joon

as Jeong Hae-seong

Ki-joo Jin

as Oh Soo-ah

Kim Min-ju(II)

as Lee Ye-na

Shin-rock Kim

as Seo Myeong-joo

Yun Chae-bin

as Yoon Chae-rin

Jeon Bae-soo

as Ahn Seok-ho

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