团队在城市中寻找德里克和劳拉的女儿，但发现自己被感染者包围，他们的生命和他们的单位凝聚力处于危险之中。他们能坚持到拯救一个无辜的生命吗?
The team makes their way through the city in search of Derek and Laura's daughter, but finding themselves surrounded by the infected puts their lives and their unit cohesion at risk. Can they hold it together long enough to save an innocent life?
