A homeroom teacher of Yosan Private High School has an accident, and thus a substitute comes to fill in. Han Bong-Gu is a mysterious man, and after strange occurrences the class president Ye-Rim tries to get to the bottom of this mystery.
Uhm Ki-joon
Kim So-hyun
Lee Min-hyuk
Seo Shin-ae
Baek Seung-do
Score: 5.3
Score: 7.7
Score: 8.1
Score: 7.6
Score: 6.8
Score: 7.9
Score: 7.8
Score: 4.0
