A television reporter and cameraman follow emergency workers into a dark apartment building and are quickly locked inside with something terrifying.
On October 13, 1972, Uruguayan Air Force Flight 571, chartered to take a rugby team to Chile, crashes into a glacier in the heart of the Andes.
The action continues from [REC], with the medical officer and a SWAT team outfitted with video cameras are sent into the sealed off apartment to control the situation.