De deelnemers gaan stemmen om te zien of ze misschien moeten stoppen. Maar hun leven in de buitenwereld zou weleens net zo meedogenloos kunnen blijken als het spel.
Gastrollen:
Kim Young-Ok(Gi-hoon's mother), Kang Mal-geum(Gi-hoon's ex-wife), Park Hye-jin(Sang-woo's mother), Heo Dong-won(○ Mask), Im Gi-hong('No. 322'), Lee Seo-hwan(Gi-hoon's friend), Kim Min-sik(Kim Jin Woo (Police 2)), Kim Yeong-seon(Gi Hoon's friend's wife), Yun Seung-hun('No. 369'), Lee Dong-yong(Kim Sang Hyuk (Police 1)), Song Hyeong-su(Yoon [Emergency Medical Center doctor]), Jang Jae-kwon(Ga Yeong's stepfather), Cho Ah-in(Seong Ga-yeong), Kim Gye-sun(Dorm owner), Anwesha Purkayastha(Ali's wife), Yang Mal-bok('No. 453'), Park Si-wan(Sae-byeok's brother), Min Tae-yul('No. 271'), Kim Sung-gon(Detective), So Yun-Ho(Detective), Lee Chung-gu(Gang member), Kim Seo-ha(Factory owner), Pyo Dong-jun(Ga Yeong's brother), Jeon Hyun-suk(Fish shop customer), Choi Jae-sup(North Korean defector shelter employee)