Ángela Vidal the young television reporter who entered the building with the fireman, manages to make it out alive. But what the soldiers don?t know is that she carries the seed of the strange infection. She is to be taken to a provisional quarantine facility, a high-security installation where she will have to stay in isolation for several days. An old oil tanker, miles off shore and surrounded by water on all sides, has been especially equipped for the quarantine.

A television reporter and cameraman follow emergency workers into a dark apartment building and are quickly locked inside with something terrifying.

Dr Sánchez Blanch owns and operates a psychiatric hospital where he specializes in hypnotizing his severely emotionally disturbed patients.

Apartment concierge Cesar is a miserable person who believes he was born without the ability to be happy. As a result, he decides his mission is to make life hell for everyone around him. A majority of the tenants are easy to agitate, but Clara proves to be harder than the most. So Cesar goes to creepy extremes to make this young woman mentally break down. Things get even more complicated in this twisted relationship when her boyfriend, Marcos, shows up.