In a Serbian village on Christmas Day in 1943, the Chetniks accept two downed American pilots and give them hospitality. However, finding out that the Germans are looking for pilots, the Chetniks change attitude towards them, disarming and shutting them off, but the pilots were able to escape. Palming off the corpses of two other killed prisoners to the Germans, who have since captured the real pilots, the Chetniks make local people enraged, despite their captain's attempts to cover up this wrongdoing, done on a public holiday.
Wonderful war stories about Isidor Katanic, officer who spent his working life as a calligrapher writing to various documents. Resignation living at home, living with rampant wife and her son from a previous marriage, sloth. Very soon retire and go to the river. On the bank of the Sava river meets an old friend, a former captain in love with the river. Accepting new way of life, isidor becomes a different man. But it comes terrifying wartime.Yugoslavia was occupied, the terror begins. Isidor is witnessed changes and in him growing need to resist the atrocities of the invaders. He refuses to flee with his family from Belgrade, it becomes illegal brave, little hero of invisible front.
