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.
1976
1989
1982
1994
1983
2000
1959
2005
1971
1969
1988
1987
1972
1990
2002
2004
1974
