In the Japanese capital, after World War I, the Tokyo Improvement Project organized by Shibusawa (Shintaro Katsu) plans to build a better city by developing new earthquake-proof buildings. But not everyone is in favor of this vision. Demonic soldier Kato (Kyusaku Shimada) plans to awaken the sleeping spirit of warrior Masakado -- a rebel executed 1,000 years ago for crimes against humanity -- intending to remake Tokyo into a graveyard.