Undercover High School

The Devastating Truth (1x11)

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The gold bars vanish just as they are within reach, and Seo Myung-joo suspects Hae-sung has them. In the vault, Hae-sung makes a heartbreaking discovery of his father's remains. Overcome with grief, he finally finds closure, but a shocking truth emerges. He learns Director Kim Hyung-bae was behind it all. Determined to uncover the whole story, Hae-sung heads to confront him alone.