Nemuri Kyoshiro discovers a conspiracy centering around a band of disgruntled samurai wanting to avenge the death of their sensei, a political reformer that pushed for better provisions for the lower classes until he was assassinated by Shogunate agents. Their plot, to set fire to the oil refineries of two rich merchants and unleash a raging inferno that will hopefully burn down the Edo Castle.
Nemuri Kyoshiro
Aizen
Katsumi
Kotetsu
Isa
Senjûrô Shikibu
Genshin Kusakabe
Minokichi Ichimonjiya
Hikoemon Yahikoya
Tahei
Zensho
Kyûzô
Shima
Osoyo
Amashiro
Osuga