When the heroes of Fukuoka return after shooting "HEROHOUSE" in Nokonoshima, the find out that Fukuoka has been occupied by an evil secret society that has acquired a mysterious power. Ohgaman, the only one that didn't participate in the "HEROHOUSE" shooting, was injured by a young man named Tanaka Jiro and gives Jiro the mission of restoring peace in Fukuoka.

Ce synopsis est en anglais : nous ne l'avons pas encore traduit.