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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.
First Air Date : Feb 21, 2025
Last Air date : Mar 29, 2025
Episode : 12 Episode
Season : 1 Season
Runtime: 70:14 minutes
Studio: MBC
Country: South Korea
