An important silent film survives, Kumahiko Nishina's Umon torimonocho rokuban tegara jinenji kidan (The Samurai Detective, aka The Detective Records of Umon, aka Detective Umon Diary: Exploit Number Six, 1930). Umon on his shining white horse stops a conspiracy against the Shogun. Umon was played...
The movie begins with a mysterious murder and Umon Kondo, a Doshin, so called drag-ass Umon, who dallies away lying sprawled all day long, launches an investigation.