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.
The duty of the Oniwaban isn't 
to protect the shogun,
واجب الأونيوابان ليس حماية الشوغن
El trabajo del Oniwabanshu no es 
proteger al shogun, sino su deber.
O dever do Oniwaban 
não é defender o Xogum,