Ion is the head of workers' team who install high-voltage lines in the mountains. He discovers a design error that could put many lives in jeopardy and knows that the chief designer is Valeria, his ex-girlfriend from adolescent days.
Two murders initially appear to be motivated by personal interest. However, at a closer look, they appear to be something completely different.
In August 1944 Romania, a group of telephone operators are caught in the events in a new center placed in a forest to evade bombardment.
