A TV host and a cameraman accompany firefighters in an apartment complex. However, things take a turn when the police decide to close the building after an old woman contracts an unusual illness.
Dr. Owen leads a team of SWAT agents to enter a quarantined building with a camera to record anything that could be of use to understand the nature of the virus which turned the residents into ravenous monsters.
What was supposed to be the happiest day in the lives of Clara and Koldo turns into a nightmare when an outbreak of a strange virus occurs at their wedding reception, turning their guests into flesh-eating zombies.
After infected firefighters and residents attack a Special Forces Team during a rescue mission at an apartment complex, a reporter named Ángela finds herself aboard a ship, where she tries to survive a deadly virus that has plagued her and many others.