Inés, Irene and Ivonne gather at their mother's house to attend their father's funeral; they will not return until a year after for the anniversary of their father's death, and it is at that precise moment that everyone will have to face another setback.

一通再平凡不过的求救电话却让他们陷入地狱，还被政府封锁在大楼感染区内。究竟发生了什么事？ 侥幸逃过一命的记者与摄影组员此时却发现自己被困在大楼内，摄像头成为唯一的证人，记录了惨绝人寰的恐怖画面，轰动的故事现在带你重回现场，也重启大家恐怖的回忆…