While under heavily armed guard, the dangerous convicts aboard a cargo ship unite in a coordinated escape attempt that soon escalates into a bloody, all-out riot. But as the fugitives continue their brutal campaign of terror, they soon discover that not even the most vicious among them is safe from the horror they unknowingly unleashed from the darkness below deck.
Seo In-guk
Jang Dong-yoon
Park Ho-san
Jung So-min
Ko Chang-seok
Jang Young-nam
Sung Dong-il
Son Jong-hak
Lee Sung-wook
Hong Ji-yoon
Choi Gwi-hwa
Jung Moon-sung
Lim Ju-hwan
Kim Kang-hoon
Kim Moon-hak
Kim Chan-hyung
Kang Shin-chul
Ahn Ji-hye
Kang Jeong-woo
Kim Dae-han
Sung Ryung
Kim Min-cheol
Shin Seung-hwan
Jung Sung-il
Kwon Yul
Lee Hong-nae
Kwon Soo-hyun
Yoon Don-sun
Jeong Soo-kyo
Sim Woo-sung
Kang Shin-chul
Yun Ki-chang
Kim Cheol-yun
Song Ji-hyuk
Yang Seung-ho
Kim Hae-joon
Ji Nam-hyuk
Jang Jae-ho
Lee Jong-yoon
Kim Tae-jun
Seo Suk-kyu
Choi Hyun-jun
Lee Jae-ho
Jo Ki-tae
Park Sun-joon
Jung Ha-joon
Seo Jeong-woo
Hwang Myung-hwan
Paul Battle
Lim Ji-sub
Lee Won-haeng
Moon Min-chul
Choi Woo-bin
Jang Sol
Kim Seon-min
Shin Dong-ryeok
Cha Young-ju
Jo Yeon-hee
Yoo Sang-jae
Jeon Hye-won
Kim Yong-pil
Uhm Jun-ki
Cheon Jae-hong