Seo Kang-joon and Kim Shin-rok engage in an invisible psychological battle.

In the 3rd episode of the MBC Friday-Saturday drama "Undercover High School" (planned by Nam Goong-seong, written by Im Young-bin, directed by Choi Jeong-in, produced by Neo Entertainment and Slingshot Studio), which airs today on the 28th, Jung Hae-sung (played by Seo Kang-joon) embarks on a chase for another rumor circulating at the school.

In the previous 2nd episode, Hae-sung went to the old ballet practice room in the basement of the gym building with Lee Dong-min (played by Shin Jun-hang) to uncover the truth of the second rumor surrounding the school. Just as the two were about to leave the building after looking around for a while, a skeletal remains were discovered under a wooden board, shocking them.

In the 3rd episode, while tracking the rumor, Hae-sung discovers an old key in the gym building. Hae-sung digs obsessively into the truth contained in the key, which has markings that suggest something. Moreover, holding the key, he reportedly goes to the school in the middle of the night, sparking endless imagination about the key's connection to the rumor.

Meanwhile, Hae-sung and Seo Myeong-joo (played by Kim Shin-rok) meet again at the school. Upon spotting Hae-sung, Myeong-joo tries to stop his actions and exchanges awkward greetings. Hae-sung knows that Myeong-joo is also searching for gold bullion, and while having an ordinary conversation, a subtle psychological battle ensues.

On the other hand, Myeong-joo looks at Hae-sung with a meaningful gaze as he leaves. It seems Myeong-joo senses something suspicious as she discovers something at the spot where Hae-sung lingered. The anticipation grows for what events Hae-sung and Myeong-joo will trigger regarding the whereabouts of the missing gold bullion, and what the truth hidden in the rumor is, as the broadcast today becomes more awaited.

Meanwhile, according to the FUNdex, the official platform of Good Data Corporation, "Undercover High School" ranked 1st in drama popularity for the 3rd week of February in the TV-OTT drama category. Seo Kang-joon also topped the popularity rankings among cast members, proving his high popularity.

"Undercover High School" episode 3 airs today at 9:50 p.m.

[Photo] "Undercover High School"

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