Several hours have passed since the terrible events that ravaged the old building in Barcelona. After the chaos of the first few moments, elite soldiers infiltrated the building to put an end to this nightmare once and for all. They thought the mission was a success. Angela Vidal, the young television reporter who entered the building with the fireman just hours before, manages to make it out alive - but no one knows that within her she carries the seed of the strange infection. When she is taken to quarantine, the high-security isolation facility becomes the perfect breeding ground for the virus to be reborn and mutate into even more deadly forms, setting the scene for unimaginable horrors. The apocalypse has just begun...