Melancholia (2021)

S01E04 The Ten-Year-Old Genius

As Seung Yoo and Ye Rin diligently gear up for the Math Olympics, Jung Ah and Min Jun offer Ye Rin strategies to secure victory. Meanwhile, Yoon Su uncovers some shady dealings surrounding the event. Despite this, Yoon Su travels to Jeju Island with Seung Yoo to support him in the competition. Coincidentally, Ye Rin also arrives on the island to participate in internship activities related to the contest on the very same day.