Milan Dvořák

The theft of a pearl necklace and subsequent murder took place at the Tartaros cabaret. All this could compromise the minister, who is an admirer of the singer Clara. The real culprits must be found as soon as possible...

A military base. An awkward soldier. A statue of Bach. And suddenly all guns in the area change into music instruments. Great mystery is immediately found by TV station. And soon the military base becomes a stage for huge TV show.

Rada Heumann, a successful criminal investigator, is searching for a serial killer of children. But that is just one of the secrets revealed in this story by writer Ladislav Fuks. With psychological precision, the author also explores Heumann's family background and his father's despotism, of which the younger of the two sons becomes a victim. Viki, a boy about to graduate from high school, feels humiliated by his father's dictates. He decides to take revenge on his father by questioning his infallibility as a criminal investigator.

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.