Season 1
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E12: Where The Stars Lead -
E11: The Devastating Truth -
E10: Retribution -
E9: The Mathematics Teacher -
E8: The Plan for VIP Students -
E7: The 24th Anniversary of Byeongmun High School -
E6: Hye Seong's Father's Notebook -
E5: Student Council -
E4: Joining the Student Council -
E3: Ghost Story Riddles -
E2: Spooky Stories -
E1: The Emperor's Lost Gold
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Undercover High School
7.9
07 February 2026
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Action & Adventure, Comedy, Drama
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mins
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.
