Hanzō is a stoic enigma who desires for his master to rule. By Ieyasu's side at Okehazama, his master desires to leave Yoshimoto and asks Hanzō to assassinate him before Nobunaga. By taking Narumi Castle and eliminating the other Imagawa generals, Hanzō's efforts leads to Ieyasu's independence. After stopping Shingen's march at Mikatagahara, Mitsuhide threatens his lord's life and Hanzō is asked to guide Ieyasu safely through Iga. They escape yet Hideyoshi rules the land after avenging Nobunaga's death. Contending for the right and suspicious of the Sanada's support, Ieyasu asks Hanzō to secretly infiltrate Ueda Castle for information.