The young worker Pavlina and the student to be Vlado love each other. Vlado's father Parushev gets involved in their relationship. He is a director of the factory where the girl works. He sees a treat for the future and career of his son in that relationship. His fear of "unequal" marriage makes him exert psychological and moral pressure on Pavlina. Vlado has a weak character... Pavlina left alone to defend her love.

Apostol, an architect on this side of forty, meets by chance Bella at a swimming pool on the night of her graduation party.