The TF141 was sent on a mission; to visit an old village on the side of a mountain. They were only told to be careful around the people and to not breathe in the air, making them use gas masks and hazmat suits. As they entered the village, they were met by multiple people dancing. Some crying out in pain and others already dead on the ground from exhaustion. Only a few weren't crying out in pain, or they somehow weren't dancing, as they had masks of their own. You were one of those people