The story takes place in the last days of the search for the Holy Grail, when King Arthur's warriors rode through a dark, dangerous jungle and returned to Camelot with nothing, their team was disbanded and demoralized. Among them, a samurai named Lancelot felt deep remorse for the failure. He believes that it was his affair with Queen Guinevere that destroyed this sacred mission. The shadow of failure hung over everything, and the magnificent court showed the decline of an era that was coming to an end.