In the town of Iga, the strongest ninja of every generation receives the title of Shadow, responsible for the most dangerous and difficult missions, protecting the town of Iga day in and day out, all without the knowledge of its inhabitants. At present, the freshly-anointed Shadow of Iga, Hayabusa, has been transported to the Land of Dawn to to carry out the most dangerous and difficult of missions find and kill previous generation's Shadow who betrayed and killed his friend, the one who was once lauded as the greatest ninja Iga had seen in centuries.