Ronin Sasaki Kojiro pursues his ultimate goal of becoming a master swordsman. Along the way he encounters another great swordsman, Miyamoto Musashi.

A successful textile industrialist from the provinces, who is beloved by his employees for his kindness, cannot find a wife because of a disfiguring birthmark on his face. Even the courtesans in Yoshiwara refuse to entertain him, until an indentured peasant prostitute, Tamarazu, takes the unsavoury assignment and treats him with brash tenderness.

Fifth delivery in the Tarao Bannai series, following the "master detective with seven faces" who uses his signature disguise to solve crimes with a double-barreled pistol.

Detective Tarao goes undercover to battle an evil gun smuggling business.