A master swordsman is ordered to go undercover on a mission to find and destroy a cannon factory being used by two samurai clans that try to usurp power and gain the position of shogun for one of their own.

• Shigeru Amachi
• Bunjaku Han
• Shota Morikawa
• Yutaka Nakajima
• Fujita Okamoto
• Hideo Takamatsu