 
                                    
                                Overview
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.
 
                     
                            











 
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                    