Undercover High School (2025) | Korean Drama | Official Teaser

Title: 언더커버하이스쿨/Undercover High School Also Known As: Eondeokeobeo Hai Seukul Director: Choi Jung In Screenwriter: Im Young Bin Genres: Action, Thriller, Comedy, Romance Drama: Undercover High School Country: South Korea Episodes: 12 Airs: Feb 21, 2025 - Mar 29, 2025 Airs On: Friday, Saturday Original Network: MBC Duration: 1 hr. 10 min. Plot: Jung Hae Seong is an ace field agent for the National Intelligence Service (NIS). After a big incident occurred during an operation, Jung Hae Seong receives a demotion. He is placed into an operation to locate the whereabouts of King Gojong’s missing gold bars. For this assignment, he hides his identity and goes undercover as a student at the prestigious Byeongmoon High School. There, he meets Teacher O Su A as his homeroom teacher. Su A is a contract Korean history teacher with an upright personality and she holds strong affection for her students. One day, Hae Seong is transferred to Byeongmoon High School and she becomes his homeroom teacher. She begins to see her first love, from her childhood days, overlap with Jung Hae Seong. Her first love caused the biggest wound to her heart. Notes "Undercover High School" takes over MBC's Fri & Sat 21:50 time slot previously occupied by "Motel California." First acting role for lead male actor Seo Kang-Joon since he completed his compulsory military service on May 22, 2023. Cast Seo Kang-Joon - Jung Hae-Seong Jin Ki-Joo - Oh Soo-A Kim Shin-Rok - Seo Myeong-Joo Jeon Bae-Su - Ahn Seok-Ho