On the day that underground rapper Hak-soo fails his 7th audition, he receives a call from his hometown that his father is in the hospital. But he finds out that it was his father's plot to bring him to Byeon-san. To top it all, he is suspected as a phishing scam criminal and locked up in this small, boring suburb.
| Actor | Role |
|---|---|
 Park Jeong-minHak-soo | Hak-soo |
 Kim Go-eunSun-mi | Sun-mi |
 Jang Hang-seonHak-soo's Father | Hak-soo's Father |
 Go JoonYong-dae | Yong-dae |
 Shin Hyun-beenMi-kyung | Mi-kyung |
 Jeong Gyu-suSun-mi's Father | Sun-mi's Father |
 Kim Jun-hanWon-joon | Won-joon |
 Jeong Seon-cheolJoong-sik | Joong-sik |
 Bae Je-giSang-ryul | Sang-ryul |
 Lee Jung-hyunAlumni | Alumni |
 Shin Mun-sungPolice Officer | Police Officer |
 Im Sung-jaeHak-gi | Hak-gi |
 Bek Hyun-jinBang-baek | Bang-baek |
| KKim Se-gyeomPatient | Patient |
 Bae Young-ranHye-ok | Hye-ok |
 Choi Jung-hunGoo-bok | Goo-bok |
 Yoo Young-binRapper | Rapper |
 Song Deok-hoRapper | Rapper |
 Lee Seung-hunGold Medal | Gold Medal |
 Park Soo-yeonStudent | Student |
 Jo Ha-seokTeacher | Teacher |
| HHa Hyun-sooClassmate | Classmate |
| KKim Chul-hwanSilver medal | Silver medal |
 Lee Myeong-jaGrandmother | Grandmother |