A tale of revenge, honor and disgrace, centering on a poverty-stricken samurai who discovers the fate of his ronin son-in-law, setting in motion a tense showdown of vengeance against the house of a feudal lord.
Masaatsu Naito successfully completes Sankin-kotai (required ritual to visit the shogun). On his way home, he hears that an insurrection by peasants has taken place in his hometown of Yunagaya. Masaatsu Naito knows that it is a counterattack by Matsudaira. He returns to Yunagaya, but finds that his castle is gone.
A group of junior high school must find out the truth of their classmate's death is he was killed by someone or committed suicide.
