The game follows the exploits of the powerful ninja Yaiba Kamikaze. Yaiba was once part of a clan that tested the abilities of its ninja by putting them up against a highly skilled member; in this case it was Yaiba they had to face. However, after growing weary of his work, Yaiba eventually decides to massacre his own clan and leave the survivors to their deaths. At one point he meets with the franchise mainstay Ryu Hayabusa and decides to challenge him, claiming that he is the weakest foe Yaiba has encountered thus far. During the battle he discovers otherwise as Ryu slices Yaiba's left arm and eye, killing him.