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 teacher.
as Ji Yoon-soo
as Baek Seung-yoo
as Noh Jung-ah
as Sung Ye-rin
as Sung Min-joon
as Yoo Hye-mi
as Ryu Sung-jae
as Min Hee-seung
as Baek Min-shik
as Shin Kyung-in
as Noh Yeon-woo
as Lee Hyun-jae
as Kim Ji-na
as Ji Hyun-wook
as Ryu Hyun-il
as Young Baek Min-jae
as Noh In-Hyeong
as Principal Oh Jin-taek
as Vice Principal Choi Sung-han
as Kim Jin-hee
as Han Myung-Jin
as Jang Kyu-young
as Park So-jung
as Ji Yoon-soo (Young)
