서로가 서로를 의지하고 보살펴주면서 이전의 갈등을 치유하는 아이들. 하지만 누구도 예상하지 못한 일이 벌어진다. 아이들은 다 같이 집으로 돌아갈 수 있을까?
After aborting the mission, the kids walk for days but get to nowhere. However, they reach an amusement park and have fun as if it is their last. Meanwhile, Yeong-soo is not comfortable about walking away from the mission as he still believes the CSAT is not canceled. The end of the war draws near, but the kids have a long way left to survival.
