However , as they are escaping Busan , the authorities catch up to them .
In order to survive , Hyung - bae reconciles with Ik - hyun and they plan to escape together after Ik - hyun has his family sent away to America .
As they are escaping Busan , the authorities catch up to them .
In order to survive , Hyung - bae reconciles with Ik - hyun and they plan to escape together after Ik - hyun has his family sent away to America .