The film is based on a legendary school film of Tomáš Vorel, called INg (1985). The storyline stays the same - a young engineer finds a new job and wants to work, this proves to be impossible in the last days of the communist era.
Martin is an innocent lad from small-town Mlada Boleslav who comes to big-city Prague, hoping to exchange his krona for deutschemarks so that he can visit Germany. A local spiv named Robert obliges Martin, but at an unfair exchange rate. When Martin finds out he was rooked, he plans revenge on Robert ... but then decides to join Robert's gang instead.
Life of Czechoslovak soldiers in a military unit for the so called "politically unreliable" - the Technical auxiliary battalions, aka "the black barons". Although it might seem like a political satire and it's mostly funny, it shows the reality and the absurdity of military service under the communist regime. Based on a novel by Miloslav Svandrlik.
