After a bombing at the school, the father of terrorist Jung Hae-sung sues teacher. The teacher goes around to get a petition with a lawyer and meets the people around Hae-sung. Through them, the teacher hears a story about Hae-sung that he did not know.
| Actor | Role |
|---|---|
 Park Jong-hwanNot listed | Not listed |
 Han Hae-inNot listed | Not listed |
 Kwon Yong-keunNot listed | Not listed |
 Cho Yu-haNot listed | Not listed |
 Ha I-aanNot listed | Not listed |
 Baek Lee-onSong Baek | Song Baek |