A man is brutally murdered and his famed shamisen (a three-stringed musical instrument) called the "Yamabiko" stolen. Prince Kogenta swears to avenge his father-in-law's death and retrieve the family heirloom.
A variety of characters, including ninja Noto, a swordsman disguised as a komuso monk, and a young samurai chasing them, participate in a chaotic bloody battle for 4,000 gold coins that were stolen from Nijo Castle.
Yagyu Jubei must protect the Yagyu scroll that holds the secret of the infamous assassination plotted by the Tokugawa government 30 years ago.
A suspenseful Ninja fantasy based on Shiba Ryotaro's novel, woven with the mysterious fate and romance of Shinzo and a beautiful Princess who find themselves at the center of an intrigue surrounding the legendary land of Yasurai in the mountains of Kumano. Hidden gold, the love of a beautiful Princess, and the approaching evil sword all contribute in bringing you a Ninja action thriller that only the legendary actor Okawa Hashizo and the genius director Kato Tai could produce!