Rec

• Shot in just 15 days on a budget of about €1.5 million, filmed largely on location in a real Barcelona apartment building (Rambla de Catalunya) rather than a built warehouse set.
• Manuela Velasco, who plays reporter Ángela Vidal, is the real-life niece of veteran Spanish actress and singer Concha Velasco; her performance won the Goya Award for Best New Actress in 2008.
• The creature revealed in the film's final attic sequence is Tristana Medeiros — a Portuguese girl, not a boy — a blind, emaciated figure whose demonic-possession-linked illness the building's tenant had secretly been studying and containing.
• The film grossed roughly $32.5 million worldwide against its shoestring budget, a major return for a 15-day shoot.
• Remade in the US as Quarantine, released in October 2008 — about a year after [REC]'s Spanish debut — a near shot-for-shot remake that closely mirrored several of the original's key sequences.

The infection is not viral but genuinely demonic, and the health inspector's arrival confirms the Vatican has been tracking this specific strain since the Medeiros case. The film's possession subplot, with the priest's recorded tapes and the attic's religious iconography, suggests the 'virus' is a physical manifestation of possession that spreads through fluid contact, making it both supernatural and transmissible.

Ángela Vidal survives the final moments. The film ends with her being dragged into the dark, but the camera keeps recording, and the sequel [Rec] 2 opens with her still alive inside the building. This reading positions the original film's ending not as her death but as her infection, making the first film a secret origin story for its own franchise monster.

The building itself is the true patient zero. The film's emphasis on the apartment's geography, the sealed ducts, the locked penthouse, the specific floor where the infection first blooms, suggests the architecture is complicit. The building was designed or repurposed as a containment vessel, and the tenants were always the experiment, not the accident.

A local TV crew covering a routine night shift at a Barcelona firehouse gets dragged to a derelict apartment building where a routine noise complaint has already curdled into something medical, something feral. The building locks down. The military seals every exit. A health inspector in a hazmat suit arrives too late and confirms what the tenants' rotting bodies already know: the infection has an expiration date, and so does the film crew's tape. What started as puff-piece journalism ends in darkness, screams, and a camera nobody will ever stop recording.