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.

casts

Cho Jung-seok

Yoona

Goh Doo-shim

Park In-hwan

Kim Ji-young