An eighteen-years-old girl from an upper class family and a middle aged volunteer locked inside a shelter together during a quaratine while outside a viral outbreak turns people into savage, irrational beasts.。Charlie患了癌症,虽然化疗会有很高的治愈率,但是他却选择了更加"自然"的疗法,他的两个多年死党无法说服他改变主意,便铤而走险绑架了他,强行为他化疗。。