 Each episode usually revolves around an intricate murder case, regularly coinciding with events in the private lives of the main characters.The series originally starred detective chief superintendents Verena Berthold (played by Maja Maranow) and Otto Garber (Florian Martens) as the main characters.They became a team following the German reunification, which caused the East-German "Volkspolizei", where Otto was working, to be incorporated in the (West-German) "Kriminalpolizei".