The television series features the German organization "Gestapo" (1933-1945). Gestapo is the common abbreviation of the "Geheime Staatspolizei" (Secret State Police), Nazi Germany's official secret police. Its primary missions were counterintelligence and investigating religious dissent, student opposition, general opposition to the Nazi regime, and military conspiracies.
As of 2016 it was included in the #100 Serbian movies list (1911-1999) and protected as cultural heritage of great importance.