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.
1997
1987
2000
2005
—
2007
2006
1985
2010
1980
1992
1999
1969
1981
