Nightmare Teacher

Season 1 Episode 7 - Eps 7: Episode 7

There arrives of Yosan Private High School has an collision, and so a substitute Even a homeroom teacher to fill in. Han Bong-Gu (Uhm Ki-Joon) is a mysterious man, and after strange occurrences the class president Ye-Rim (Kim So-Hyun) tries to reach the bottom of the mystery.