The identity of Seo Gang-joon in "Undercover High School" has been revealed.
In the MBC Friday-Saturday drama "Undercover High School" which aired on the 14th, Jeong Hae-sung (played by Seo Gang-joon) and Oh Soo-ah (played by Jin Ki-joo) were deployed on a mission but depicted failing.
That day, upon hearing Oh Soo-ah's real name, Jeong Hae-sung realized she was his first love and stared at her intently. He asked, "Is your name Bong-ja? Oh Bong-ja?" to which Oh Soo-ah responded, "Yes, that is my original name… but why are you laughing about someone else's name? It's rude to smile like that in front of me. I was going to take you home, but forget it. Go by yourself," and she retreated back into the store.
After looking at Oh Soo-ah's back, Jeong Hae-sung returned home and reminisced about the memories he had with her during childhood. From the next day after realizing that Oh Soo-ah was his first love, he changed his attitude towards her. He would come to school early and gaze at Oh Soo-ah, who was dancing, with a loving look and said, "You're amazing. You will definitely become a teacher."
Meanwhile, Jeong Hae-sung and the other members of domestic Team 4 gathered to find clues about the ghost story through the school song. When they encountered difficulties playing the piano, Oh Soo-ah appeared and said, "I will do it."
Oh Soo-ah commented, "The school song itself isn't that difficult," but Jeong Hae-sung warned, "You could get expelled for entering the chairman's office by mistake." However, Team Leader Ahn persuaded him, saying, "The teacher can do it. Here is our National Intelligence Service's best ace Jeong Hae-sung's one-in-a-million partner and the honorary field agent of domestic Team 4."
Oh Soo-ah, swayed by the term "honorary field agent," agreed and said, "I will do it," while Jeong Hae-sung responded, "Are you crazy?" Nevertheless, Oh Soo-ah insisted on requesting a pledge stating that the government would not spare support for her to become a school teacher.
Ultimately, Jeong Hae-sung pulled Oh Soo-ah out and said, "I won't say it twice. Please don't do this. It's dangerous," to which Oh Soo-ah replied, "Anyway, all the teachers at the school are attending the event. Since we've decided to participate together, let's focus only on the mission."
Jeong Hae-sung asked, "Why are you so fixated on becoming a teacher? You don't take risks for something that seems natural. Please be honest with me." Oh Soo-ah responded, "There is someone I want to show myself to. I promised my first student that I would definitely become a teacher. It's unnecessary for the atmosphere to get awkward. Anyway, I must become a teacher, and I was prepared to devote everything to do so. Life isn't life without risks." To this, Jeong Hae-sung replied, "Be sure to stay close."
Before the mission, Jeong Hae-sung was conscious of Oh Soo-ah while practicing self-defense by copying Principal Park Jae-moon's (played by Park Jin-woo) fingerprints. Eventually, during the self-defense lesson, when Oh Soo-ah hugged him from behind, he said, "Let's stop here for today, don't ask questions. I'm feeling a bit complicated today, I'll be going," and left. Flustered, he muttered, "Get a grip. You're acting strange today."
On the much-anticipated night of the school event, Jeong Hae-sung couldn't take his eyes off Oh Soo-ah, who appeared in a dress. He then placed a camera necklace around her neck, assuring her, "I will make sure nothing happens today, so don't worry. And by the way, you look beautiful today."
Meanwhile, after successfully infiltrating the chairman's office, Jeong Hae-sung and Oh Soo-ah sat together at the piano to play the school song. When nothing happened, Oh Soo-ah said, "Nothing is happening," looking surprised, while Jeong Hae-sung examined the piano.
Ultimately, after failing the mission, Team Leader Ahn ordered Jeong Hae-sung, "Come out for now, Hae-sung. It's dangerous to stay there. Erase the entry record from the chairman's office and come out quickly." Following Team Leader Ahn's instructions, Jeong Hae-sung said, "I will withdraw," and deleted the entry record from Seo Myung-joo's (played by Kim Shin-rok) computer. At that moment, he was shocked to discover not only his personnel record card but also the operation plan file for the "Night of the School Event." In the following preview, Jeong Hae-sung appeared to be acting alone with Oh Soo-ah, seemingly distrustful of his team members, piquing curiosity about the story's development.
[Photo] Capture from the broadcast of "Undercover High School"
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