Yugoslavia. Matko is a small time hustler, living by the river Danube with his 17-year-old son Zare. After a failed business deal, he owes money to the much more successful gangster Dadan. Dadan has a sister, Afrodita, that he desperately wants to see get married so they strike a deal: Zare is to marry her. But neither of the two care much for an arranged marriage: Zare is in love with Ida, Afrodita is waiting for the man of her dreams.
The gun runner criminal character juggles three hand grenades and does some tricks, and then drops with predictable consequences.