[3] The manga was adapted into a black and white anime television series which aired on NET from October 3, 1968, to September 24, 1969.

In 2015, two live action film were released starring Teppei Koike, Kenichi Endō and Akemi Masuda.

The series follows the adventures of Sabu, a young Edo bakufu investigator traveling with the blind master swordsman Ichi.

In their travels, they assist the common people in solving mysteries and righting wrongs (usually committed by bandits or corrupt officials).

Sabu is engaged to Midori, the daughter of his boss, who works as a police officer for the Tokugawa shogunate.