Ever since they were young Chorong, Bomi,  Eunji, Naeun, Namjoo and Hayoung would always stick together.  They even promised each other that they would always protect each other. A virus was starting to spread around the world. Slowly people started dying and the government had to do something. They didn't want the rest of the country to catch the virus so they made barracks and put the people who were not infected there. The government sent carriers to each city in korea to pick up the peopl