A sexual scandal between a math teacher and a student in a prestigious high school ended in tragedy. 4 years later they meet again, now as adults, to reveal the corruptions in school and to regain one's reputation as a … Lim Soo-jung, Lee Do-hyun, Jin Kyung, Woo Da-vi, Jang Hyun-sung, Byeon Jung-su, Choi Dae-hoon Added on Hulu 2023-06-29.