Set up to take the blame for corporate fraud, young Macarena Ferreiro is locked up in a high-security women’s prison surrounded by tough, ruthless criminals in this tense, provocative Spanish thriller.

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.