In this anime gore-fest, survivors of an ancient race of evil Demons and a noble Guardian return to Earth in 2089 to continue their epic battle, leaving a vulnerable human race in the cross fire. The powerful Demon Master hatches a diabolical scheme to transform pharmaceutical researcher Eiji into a crazed monster, using him as a pawn to terrorize the populace. Can his fiance Shizuka -- with help from the Guardian -- stop the mutant Eiji?