The Dark Hour (2007 film)

The Dark Hour original title La Hora Fra is a Spanish science fiction film, produced in 2007, written and directed by Elio Quiroga, and produced by Eqlipse Producciones Cinematogrficas with Margaret Nicoll, Jrme Debve and Juan A. Ruiz as associate producers.

Old TV sets show 1950s cartoons and science films with propaganda messages about destroying an unnamed enemy. Another film declares the enemy had developed a virus that destroys skin, making the infected victim constantly bleed but never die.The survivors cant leave the complex and live in fear of the Strangers and Invisibles only seen as a green mist in the corridors. The survivors only defense is to cut the complexs power and heat the Dark or Cold Hour of the title. The Strangers are the infected mentioned in the propaganda films. When food, medical supplies and ammunition begin to run out they must travel to a supply depot outside of their underground safe zone. ........

Source: Wikipedia