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.
oh my god its such a amazing content and story this should atleast get above 9 rating for that purpose itself am rating a drama for the first time every week waiting for friday to come the plot the actors are all amazing twists are there too its one of my best drama i could say waiting for next episode