Due to sudden deteriorating weather conditions, visibility on the Airport Bridge is severely impaired, leaving people stranded and at risk of the bridge collapsing due to a series of chain collisions and explosions. Amidst the chaos, the canine subjects "Echo" from the military experiment "Project Silence," who were being transported in secret, break free, and all human survivors become targets of relentless attacks.
Lee Sun-kyun
Ju Ji-hoon
Kim Hee-won
Moon Sung-keun
Ye Su-jeong
Kim Tae-woo
Park Hee-von
Park Ju-hyun
Kim Su-an
Ha Do-kwon
Jang Gwang
Choi Jung-woo
Ku Sung-hwan
Park Ho-san
Moon Byeong-ju
Song You-hyun
Jang Tae-min
Yoo Yeon
Kwak Jin-seok
Ahn Seong-bong