Hongo Takeshi awakens to discover he has been transformed into a grasshopper-hybrid cyborg. Becoming the Masked Rider, he must fight the mysterious evil organization SHOCKER to protect all of mankind.

Capable of making bio-mechanical weapons out of human flesh, alien parasites grotesquely invade the Earth, turning their hosts into maniacal killers who seek and destroy each other to the bloody…

As sadomasochistic yakuza enforcer Kakihara searches for his missing boss he comes across Ichi, a repressed and psychotic killer who may be able to inflict levels of pain that Kakihara…