2020
S01E16 finale
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 corruption in school and to regain one's reputation as a teacher.
Finally, Seung Yoo and Yoon Su reveal the secrets behind Asung Academy and Noh Jung Ah to the world. How will Noh Jung Ah's defeat look? What will become of Seung Yoo and Yoon Su's relationship? The final story will be much more beautiful than the love of mathematics the two share.