Władek returns to the town where he used to work to explain the circumstances of certain events. At that time, the boy lived in a boarding house with professor Marcinkowski.
Adam Cisowski, a devilishly smart teenager is looking for treasure hidden by Napoleon's soldier. But he is not the only one searching for it, and his rivals are very dangerous.
An unknown man brings a wounded boy from a hospital and prompty walks away. The boy soon dies and the militia captain Budny begins an investigation, leading him deep into a web of crime.