While guarding the bridge builder Tazuna , Sakura explores the local town and is shocked by the desperation and poverty she sees.
The "hero" referenced in the title is Kaiza , Inari's stepfather. He was a traveling fisherman who became a symbol of hope for the village after saving Inari from drowning and standing up to Gatō. 11 : The Land Where a Hero Once Lived
The episode highlights the extreme poverty and hardship the citizens of the Land of Waves face under the oppressive rule of Gatō , a billionaire shipping magnate who controls all imports. While guarding the bridge builder Tazuna , Sakura