A girl and a boy spend together last days of their summer break, while the date is approaching when the girl will have to leave the country. A young woman and a young man unexpectedly meet and enter a passionate love affair. While she explores the city she had left as a child, he has a feeling that they’ve met before. A woman and a man separate after 20 years of marriage, but the relationship they‘ve built doesn’t allow them to move on.

Guided by their maverick sociology professor, three students set up separate experiments around the city to prove his "Tetris" theory of chaos: that human nature inevitably deteriorates from order to anarchy.

Belgrade, 1999. People go in and out of cafés, and lively conversation echoes all around. As if no one expects the NATO bombings. As if they never even started. But there is tension nonetheless, behind the eyes of people who suppress their fear at any cost. It is in this time and place that Ana, Sloba and Bojan construct their own sense of normality in order to retain their sanity. Three ways to deal with fear. One random sky above.