The explosion of a 4300 tones Kauper furnace brings up an inquiry, conducted by Ștefan, a Romanian Communist Party activist. He is trying to get to the truth, even if he is pressured just to assign blame.

A young engineer arrives for a short time in Bucharest, where he reconnects with the girl that he loves since college. They get married, and she sacrifices her career to follow him to a big project away.

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.

Sent on assignment to write a report on a scientist from an industrial complex, Caius, an established author, bumps into former schoolmate Cosma. Together they attend the press junket, discovering the subject of Caius’ assignment to be none other than their former university crush, Irina. The joyful reunion takes them to their old haunts, but once Cosma leaves, the remaining couple head down memory lane, spending the evening confronting each other with their conflicted shared history of love and abandonment. Between Caius’ enduring charm and Irina’s guarded independence, their romantic two-step will finally bring them requited closure.