There is air pollution in a large production facility. The director and the chief engineer are trying to avoid responsibility. An engineer Maria openly states that the management does not consider the means of ventilation and filters. The director wants to move her from her position. Maria does not back down. She asks her husband to come to her. Her husband leaves for Maria. He misses the train. At the train station, Maria does not see her beloved. When he arrives, he goes to her dwelling. He should go back in a couple of hours, and she must go to the factory. Their short meeting is more important to them than anything else is.