Alvaro, a man obsessed with security, discovers that his nightmares may be premonitions of imminent danger or signs that his obsession has gone too far. However, when a stranger knocks on his door, there won't be time to find answers.

Distrito Federal, 1973. In a seedy pool hall, the destiny between Gaspar, a young man thriving to his death, intertwines with the destiny of Bibiana, a wealthy girl with curiosity for the underworld.