The Tactician's Intent

is episode 163 of the original Naruto anime.

Synopsis
The group talks at Mōsō's house. After that they discuss that Kōmei, the village strategist and the son's potential rival for succession, may be behind the Noroimusha. To prove this, they try to visit the new feudal lord Sagi at a lake where he holds his lost memories of his sister Toki. The group protects the feudal lord from assassins, and pursues the Noroimusha to its meeting with Kōmei, where after it is defeated, it is revealed that it and the previous Noroimusha were two different individuals. The group finds evidence that indicates that Kōmei may have been behind the second Noroimusha's appearance, and Kōmei is arrested.