Two neighbors quarrel through the hole in the wall which connects their bedrooms.
State security inspector Ivan reveals an inserted terrorists in Yugoslavia, sent there by Croatian emigrants, enemies of the above socialist state. Their mission is to select the appropriate places on Adriatic coast which they would later blow up. The terrorists are expected to set a series of explosions that would cause a public disturbance and uncertainty in the Yugoslavia's position in Europe. Ivan follows Pavle and Elsa who are staying in Croatia as tourists, stepping into action in a crucial moment.
Friday is the day that everyone goes away for the weekend. A bank clerk spends his weekend off a small island with his boat, but the weekend does not run its usual course.
Jugoslavenski oficir
Melkior Tresic is one of many intellectuals in 1941 Zagreb who is helplessly waiting for the encroaching war.