Su-yeon Hong

This time round Doo Sik is a senior at college, where he is studying to become a teacher. During the day he works hard teaching morality and ethics, but at night continues to work as a gangster. He gets a placement at the local high school, working as a student teacher, but then trouble arises amost immediately. Always determined to keep him studying hard, Doo Sik's boss has also returned to high school to complete his own education. Now Doo Sik has to face his boss at school as well as at night (kmovieaddicts.blogspot.com)