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.

Despite getting badly injured, Hae-sung manages to call Soo-ah and his team. They conclude that the only evidence they can secure is the flash drive that contains the voice recording of Principal Park murdering Director Kim Hyung-bae. After finding out that an arrest warrant had been issued for her, Seo Myung-joo decides to take a special measure to end everything.