The full truth about the Iga ninjas' involvement in the shogun assassination plot comes to light, as well as a surprising aspect of the shogun and Oniwaban's past.
that the Oniwaban's duty 
isn't to protect the shogun,
أنّ واجب الأونيوابان ليس حماية الشوغن
que o dever do Oniwaban
 não é defender o Xogum,