Shin Hanshichi torimono chô 1997 one on netflix

This series is based on the series of 68 novels written by Okamoto Kido in the early 20th century. The hero is Hanshichi, a young but highly skilled Edo-era detective. Widowed for two years, Hanshichi lives alone in a tenement house. His sister-in-law Okume, who has a crush on him, looks in on him from time to time. Sanada Hiroyuki (known to action movie fans as Henry Sanada) stars as Hanshichi.