Siegfried Line | Siegfried & Roy | Siegfried | Siegfried (opera) | Siegfried Wagner | Siegfried Matthus | Siegfried Lenz | Siegfried Palm | Siegfried II of Westerburg | Siegfried von Feuchtwangen | Siegfried Kasche | Siegfried, Count of Merseburg | Siegfried Bernfeld | ''Siegfried'' | Chris Siegfried | Bernhard Siegfried Albinus | Wolf pack Siegfried | Siegfried Verbeke | Siegfried Tiefensee | Siegfried Strelow | Siegfried Selberherr | Siegfried Saloman | Siegfried Reiprich | Siegfried of Luxembourg | Siegfried of Isenburg-Kempenich | ''Siegfried Map'' of the Türlersee | Siegfried Lenz. | Siegfried Köhler | Siegfried III | Siegfried Idyll |
It depicts the crime solving activities of four police detectives, Chief Inspector Erwin Köster, played by Siegfried Lowitz until 1985, from 1986 to 2007 Chief Inspector Leo Kress, played by Rolf Schimpf, from 2008 to 2012 Chief Inspector Rolf Herzog, played by Walter Kreye and from 2012 Chief Inspector Richard Voss, played by Jan-Gregor Kremp.