On any given night, a group of television documentarians embarks on an exciting adventure to film a show about the work of firefighters in a Spanish city. However, their plan takes an unexpected turn when they receive an urgent call about a possible incident in an apartment building. Upon arrival, the firefighters and the film crew find themselves trapped in a chilling lockdown as a strange virus begins to infect the building's residents, transforming them into fierce and violent creatures.
As the situation spirals out of control, a chilling sense of claustrophobia and desperation envelops the group. The handheld camera becomes the last witness to the terrifying events as the characters try to understand what is happening, while struggling to survive and discover a way out. With each dark hallway and closed door, the tension escalates and the screams of terror become increasingly evident.
As the rescuers themselves must grapple with their own survival, the line between reality and filming blurs, leaving the viewers on the edge of their seats. With unexpected twists and an oppressive atmosphere, this immersive experience turns a simple night of work into a terrifying struggle against unimaginable horror that leaves them questioning their own humanity. Get ready for an adrenaline-fueled journey you will never forget!