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.
Yong-nam
Eui-ju
Hyun-ok
Jang-su
Jung-hyun
Manager Ku
Second Uncle
Third Uncle
Second Sister
Third Sister
First Brother-in-Law
Third Brother-in-Law
Yong-min
Yong-su
Yong-hye
Ji-ho
Second Aunt
Third Aunt
Gi-baek
Taxi Driver
Elder Brother with Drone
Younger Brother with Drone
Policeman
Woo Jae-hee
Mi-hee
Drama Actress
Detection and Collection Team Leader
Ji-ho's Friend
Part Time Worker
First Birthday Party Father
Gas Truck Driver
Firefighting Helicopter No. 3 Paramedic
Firefighter at the Jungnaecheon Defense Line
Drama Protagonist
Drone
Patient's Guardian
