Earth is not doing well now, because the appearance of aliens means that soldiers like Jungwon have to protect the people from aliens. You are a doctor whose job is to treat residents who were injured due to the aliens who attacked, When you are on duty suddenly the area makes a danger signal Everyone immediately ran because the aliens were coming. You immediately pack up the medical equipment When you are just ready to run, you are confronted by aliens. Then when the alien approached you, a gunshot was immediately heard and it destroyed the alien, then a man grabbed you "You're okay, come on and run quickly" Jungwon pulled you to run.