The action takes place in Japan the 17th century,during the feudal wars between the army of Tokugawa Ieyasu and Toyotomi Hideyoshi army led by General Sanada Yukimura. Sarutobi clan, is a member of the protagonist Sasuke - loyal to General Sanada and helps him. One day during the next battle,Tokugawa army wins and sends his right hand - the ninja of Iga named Hattori Hanzo kill Sanada and all members of the clan Sarutobi. We managed to escape only Sasuke and his father. Second under the guise of the stranger he began to conceal his identity, even from her son. But later he reunited with Sasuke, but begins to train the boy, like a ninja,exposing the harsh training. Sasuke realizes secret art Sarutobi family.