Löwengrube

"Löwengrube – Die Grandauers und ihre Zeit" is a German television series first aired between 1989 and 1992, created by Willy Purucker and directed by Rainer Wolffhardt. It is set in Munich and follows the lives of Ludwig Grandauer and his son Karl, both policemen, covering the years from 1897 to 1954. The TV show is based on Purucker's radio play series Die Grandauers und ihre Zeit (‘The Grandauers and their time’). The series’ main title "Löwengrube", meaning ‘Lions’ Den’, refers to the address of the Munich Police Headquarters inaugurated in 1913.

Official website :https://www.br.de/br-fernsehen/sendungen/loewengrube/index.html