Once the continual zombie attacks from the city center ceased, the troops quickly made their escape. Attempts to communicate with the outside world were hopeless, confirming the troops were on their own. To find the cause of their isolation, they investigated the area. During their search, the troops found two people wearing protective gear near some waste. When the troops called out to them, they made a hasty escape with their equipment. The pursuit lead into a nearby building but all that remained inside were scraps of equipment. With the trail having gone cold, the troops collected the damaged equipment and left the building only to meet the eerie shrieks of zombies. The troops realized that the zombie were close at hand, and hastily created a barrier using material from the construction site to prepared for battle.