A tense domestic argument is interrupted when a locked home appears to admit someone despite only two people having keys.
Irene and Sergio return home after spending the night out. They arrive in a huff, establishing immediate tension between them.
Once inside, Irene and Sergio get into a shouting match. Their conflict becomes the central emotional event before the interruption.
The argument is suddenly interrupted by the sound of the door opening. The unexpected sound shifts the situation from interpersonal conflict to mystery.
The situation becomes more disturbing because only Irene and Sergio have keys to their home. The provided plot ends with this unresolved question.
Óscar Romero, Néstor López
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