As the opening credits roll, an abbreviated version of Ogami Ittō's (Tomisaburô Wakayama) past as Shogunate Decapitator and his wife's murder by ninja are seen, with Daigorō (Akihiro Tomikawa) providing the narration.
30 September 1922, Stockton, California, USA
16 December 1923, Osaka, Japan
11 March 1942, Binghamton, New York, USA
July 20, 1945 in Nagoya, Japan
1 September 1929, Tokyo, Japan
17 October 1939, Tokyo, Japan
9 March 1942, Cambridge, Idaho, USA
29 April 1935, The Bronx, New York, USA
June 16, 1926 in Kitakyushu, Fukuoka, Japan
6 June 1955, Flint, Michigan, USA
3 February 1938, Los Angeles, California, USA
17 March 1943, Tokyo, Japan
1968
September 6, 1930 in Tokyo, Japan

