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.
Fermat’s Last Theorem
Season 1 • Episode 1
Baek Min Jae
Season 1 • Episode 2
Infinite and Finite
Season 1 • Episode 3
The Ten-Year-Old Genius
Season 1 • Episode 4
Faulty Brakes
Season 1 • Episode 5
The Midterms
Season 1 • Episode 6
Seung Yoo Returns
Season 1 • Episode 7
Seung Yoo’s Project
Season 1 • Episode 8
Unlocking Yoon Su’s Heart
Season 1 • Episode 9
The Audit
Season 1 • Episode 10
Face to Face at Last
Season 1 • Episode 11
Flawed Premise
Season 1 • Episode 12
A Place Of Warmth
Season 1 • Episode 13
Asung’s New Director
Season 1 • Episode 14
Ji Na’s Guilt
Season 1 • Episode 15
Noh Jung Ah’s Collapse
Season 1 • Episode 16