Jung-ae volunteers at a juvenile prison when she graduates from college; but the violent boys threaten her safety. Her boyfriend visits and begs Jung-ae to quit. She considers but feels compelled to continue; until the day when an escapee puts her methods at risk. Will she get to the escaped boy in time? Will his negative attitude convince her to quit, or will she affect him positively? And will there ever be happiness at the prison?
| Actor | Role |
|---|---|
 Kim Dong-gyuBak Seon-seang | Bak Seon-seang |
 Hak PakO Cheol-su | O Cheol-su |
 Nam Mi-riYun Jeong-ae | Yun Jeong-ae |
 Jo Mi-ryeongJeong-sug | Jeong-sug |
| BByeong-ho ChoeSu-gir | Su-gir |
| JJae-hyeon LeeGu Seo-bang | Gu Seo-bang |
| JJin-eop JeongSi-gir's father | Si-gir's father |
| GGyong-Ae YuSu-gir's mother | Su-gir's mother |
| GGun ChoeUi su | Ui su |
| GGyeong-un YuJang-un | Jang-un |