S1, E5: Japan 1562 - the warlord Tokugawa Ieyasu hires Hattori Hanzo, a top Ninja fighter, to rescue his daughters from captivity. Hanzo succeeds in a brilliant stealth operation. But then he and his fellow Ninjas from the region Iga come up against the cruel overlord, Oda Nobunaga, who is bent on absolute rule of all Japan. When the Ninja of Iga crush the army of Nobunaga's incompetent son, they know the overlord will take revenge. There's one last chance: assassination. When that fails, Nobunaga's armies wipe out Iga, scattering the Ninja. But suddenly their luck turns...