구체도 죽음도 익숙해진 3-2반 아이들. 어느새 웃음도 다시 찾게 되지만, 그 안에서 조금씩 균열이 생기고 있음을 알지 못했다. 그러던 중 도움을 요청하는 낯선 이들을 만나게 되는데
The students of Class Two continue to fight and kill the spheres. They have a vote again to decide whether they will stay here together or go back home, and the result shows that there’s disagreement growing among them. The next day, a group of students go somewhere to find parts to fix their radio. There, they run into strangers who ask for help.
