주먹을 꽉 쥐고

During summer break at a rural high school, Han-wool—an otherwise ordinary student—becomes obsessed with a single question: what does it mean to be strong? When a boxing tournament is organized at a small local gym, a new sense of excitement and curiosity stirs within him. Yet, throughout it all, he cannot shake the feeling that there is something strange around him—something he cannot quite grasp.