Melancholia - Season 1 Episode 12 Flawed Premise
Overview: Seung Yoo announces that he was the student involved in the teacher-student love scandal at Asung High and shocks everyone that it was all a setup. Yoon Su doesn't want to jeopardize Seung Yoo any longer and prepares to disclose information on Noh Jung Ah. Meanwhile, Ye Rin explodes all her emotions onto Seung Yoo, who only has his eyes on Yoon Su.