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.

• Filmmaker R&K
• filmK
• Cho Jung-seok
• Yoona
• Goh Doo-shim
• Park In-hwan
• Kim Ji-young
• Kang Ki-young
• Kim Jong-goo
• Kim Byeong-soon