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‘Undercover High School’ Seo Kang-joon Faced His Father's Corpse Instead of Gold Bars, 'Heartbreaking Ending'

LEE Dakyum
Input : 
2025-03-23 10:55:37
‘Undercover High School’. Photo l MBC
‘Undercover High School’. Photo l MBC

In ‘Undercover High School’, Seo Kang-joon discovered the hidden truth about the gold bars he had been desperately searching for.

In the MBC Friday-Saturday drama ‘Undercover High School’ (written by Lim Young-bin, directed by Choi Jeong-in, hereafter referred to as ‘Under School’), the identity of the hidden gold bars that Jeong Hae-sung (played by Seo Kang-joon) and Seo Myeong-joo (played by Kim Shin-rok) had been anxiously searching for was revealed.

In the broadcast on the 22nd, Myeong-joo returned to school as if to show off, shocking everyone by knowing the keyword Hae-sung had found related to the fourth urban legend. As soon as she arrived at school, Hae-sung was expelled, and the National Intelligence Service's Domestic Team 4 also received a notice of team dissolution along with a standby order. Following this, Hae-sung could not let his guard down due to Myeong-joo's warning that Oh Soo-ah (played by Jin Ki-joo) could also be in danger.

The members of the National Intelligence Service's Domestic Team 4 did not give up and began to uncover the truth behind the fourth urban legend. While tracking the final location of the gold bars, they sensed that something was hidden in the bust of Seo Byeong-mun at the school. Therefore, Hae-sung disguised himself as a delivery person to enter the school, discovering that the bust could move, and at that moment, Vice Principal Baek Kwang-du (played by Oh Yong) appeared, forcing him to escape.

Meanwhile, another crisis struck Hae-sung and Soo-ah. Photos circulated within the school that made it seem like the two were enjoying a secret affair. Consequently, Principal Park Jae-moon (played by Park Jin-woo) ordered Soo-ah to stop attending classes. At that moment, Hae-sung appeared, confessing that he had been hiding his identity and voluntarily reported his taxes, and the incident regarding the photos ended as a misunderstanding. This was a preemptive warning given by Lee Ye-na (played by Kim Min-ju), who had accidentally learned Hae-sung's identity, anticipating that this situation would occur. As crises continued to arise for Hae-sung and Soo-ah, attention is drawn to how they will survive against Myeong-joo.

Meanwhile, Myeong-joo, knowing that there was a hidden location related to the bust, headed straight to the school. Hae-sung, who arrived at the school first, blocked Myeong-joo from entering by claiming that a spy had infiltrated, while he turned the bust and entered the underground. As he went deeper, the tension increased, and Hae-sung realized that there were no gold bars there.

At the end of the broadcast, even more shocking facts were revealed. In the underground where they had entered to find the gold bars, there was a skeletal corpse, and Hae-sung's childhood watch given to his father was still there, sending chills through everyone. As Hae-sung shed tears in a storm of emotions, anticipation rose for how he would uncover the truth behind his father's death in the next broadcast.

Thus, episode 10 of ‘Undercover High School’ unraveled the hidden mystery of the fourth urban legend circulating within the school, leading to the discovery of an underground space where the gold bars were supposed to be hidden. However, there were no gold bars, and the corpse of Hae-sung's missing father was found, raising curiosity about how the future developments will unfold.

Meanwhile, ‘Undercover High School’ airs every Saturday and Sunday at 9:50 PM.

[Lee Da-gyeom, Star Today Reporter]

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