Blair and Josh have been bitter rivals ever since they trained together at The Basic School in Quantico, where they w…

　　僵尸侵染的范围持续扩大之余，人类也加紧进行针对性研究。研究员莎拉（Lori Cardille 饰）和直升机驾驶员约翰等人空降到矿道改建的地下研究中心，罗根医生在这里研究僵…