At his mother's 70th birthday party, Yong-nam runs into Eui-joo, who rejected him in college. When the city is engulfed in toxic gas from a terrorist attack, the two must find a way to escape using all the techniques they learned in their college rock climbing club.
Cho Jung-seok
Yong-nam
Yoona
Eui-ju
Goh Doo-shim
Hyun-ok
Park In-hwan
Jang-su
Kim Ji-young
Jung-hyun
Kang Ki-young
Manager Ku
Kim Jong-goo
Second Uncle
Kim Byeong-soon
Third Uncle
