A barrage balloon appears unexpectedly over a Bulgarian village during World War II. The startled villagers decide to knock it down with a fusillade yet the balloon flies off to the mountains. The villagers, armed to their teeth, set off after it. But they are not alone in this undertaking...
Zhana and Toni meet on a crowded beach. She is hanging around bars; he is seeking amorous adventures. They spent the night together, then jump into Mercedes sport car and get into a breath-taking race. In the morning, they learn that a man has been run over during the night. A dark suspicion comes over them. They travel again the same road again. The resulting confessions strip their masks from them... Believing him to be guilty, Toni wants to turn him in. However, the real culprit is detected. They move on - but in different direction...
A hairdresser Gerda has an affair with Dr Nikodimov, a married man past his prime. Savarinova has had her hair done by Gerda in fashionable style. She is ill at ease at a family party. Her sister Mina has been the cause of her anxiety, because the young scientist Belokozhov prefers young and unaffected Mina. They go out to the park and have fun by themselves. Meanwhile, Nikodimov goes to see Gerda in her flat. She tells him what has been preying on her mind during their liaison. Nikodimov's wife comes there but he turns her away. He tells Gerda that he will move in with her for good. Heartbroken, the girl turns him away. Nikodimov goes to the hospital. In his office, he takes out an ampule of cyanide and drains it with a resolute gesture. Mina and Belokozhov discuss love in the park. It starts raining. Laughing, a boy and a girl walk towards the dawn.
Sick and tired of the daily grind, engineer Filip Gerakov encounters on the beach Maria, eccentric wife of a prosperous research associate. Maria leads a leisurely if somewhat dull existence. Deep down, she craves for normal, spontaneous relationships and emotions. Filip and Maria soon make friends. They find in each other what they themselves have lacked. Their friendship gradually grows in love. Sharing their dreams and making plans for the future, the lovers vow to be inseparable and to make a new life. One day Maria's husband arrives in his black limousine. Watched at a distance by Filip, Maria makes her choice: she leaves with her husband, opting for the good life she is used to.
