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.
A police inspector and inexperienced trainee search for a mysteriously disappeared manufacturer of ointments for hair growth.
A young man has led his whole life with his grandfather. When he was in school, he was the only one who was refused to join the Youth Brigade, since his father was sentenced to death for spying. When it is time for him to do the compulsory military service, he has to do it in a platoon for "unreliable" persons.
