During the reign of Shogun Tsunayoshi, seven ninja of the Koga clan secretly plot against the illegitimate son of the former shogun.
Kotaro Satomi
Shigeko Arai
Kikuko Hojo
Tatsuya Ishiguro
Takashi Ebata
Yūko Kusunoki
Keiichi Taki
Daisuke Awaji
Kunio Kaga
Yoshio Yoshida
Eijirō Yanagi
Kōshirō Harada
Hiroki Matsukata
Kichisaburo Bando
Utanosuke Arashi
Hiroshi Mizuno
Eijirō Sekine