Der Leutnant vom Schwanenkietz.

The film describes the activity of an ABV of the People's Police in its section in East Berlin. A mixture of “positive” characters from the beginning, the extensively staged “owl”, who is introduced as a criminal and over the course of time, especially due to the influence of the ABV, develops into a good citizen, and incorrigible characters, with whom the ABV fails with its extensive attempts at rehabilitation and who are arrested after having committed again offenses.