Carla Nieto

The action now takes place miles away from the original location and partly in broad daylight, giving the film an entirely fresh yet disturbing new reality. The infection has left the building. In a clever twist that draws together the plots of the first two movies, this third part of the saga also works as a decoder to uncover information hidden in the first two films and leaves the door open for the final installment, the future '[REC] 4 Apocalypse.' (imdb)

Nights in a row, Adrian finds himself in his apartment, with no lights and strange sounds coming from the inside. He asks his friends for help and one of them decides to make a documentary of what is happening to him.