Fudo Jun is a stunning supermodel who is adored by many. She also carries a terrible secret that not even she is aware of at first, for inside her veins run the genes that hold the next stage in humanity's evolution. The same bloodline as the beastlike superhumans terrorizing the city. Unlike the rest of them, Jun has managed to maintain a weak grasp on her humanity, and she is recruited by the enigmatic Asuka Ran, a member of a secret government group aimed at taming, if not destroying, these wild destroyers of civilization. Jun, as Devilman Lady, must now destroy her own species, but how long can she maintain her sanity in a predicament she did not choose?