

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.
Stunts
Practical climbing sequences that'll give you sweaty palms.
Acting
Cho Jung-seok's desperate everyman energy is perfection.
Direction
Lee Sang-geun keeps one location feeling impossibly expansive.

Director
Lee Sang-geun
Trivia, insights & behind the scenes
Cho Jung-seok trained with actual rock climbers for three months; Yoona did her own harness stunts.
The film became a sleeper hit partly because Korean audiences recognized their own cramped urban landscapes and over-the-top wedding hall culture.