For Hanzo, an old man and successor to a Japanese ninja clan, lonely days came to an end when he took in Jiro. Jiro is Hanzo's only companion. They do everything and go everywhere together, but Jiro has a secret. Every morning when Hanzo trains using his ninja skills, Jiro watches him intently soaking in Hanzo's every move and technique. When Hanzo is gone or asleep, Jiro practices everything he's learned from Hanzo. The surprising twist is that Jiro...