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.
1994
1955
2011
1977
1990
1969
2005
—
2006
1993
1981
2007
2004
1979
1987
2010
