d, The First is an attempt at a condensed retelling of a 1971 show by the name Kamen Rider (literally translated, it becomes Masked Rider, as Kamen is the word for Mask and Masked in Japan), which revolves around a man named Takeshi Hongo, who is abducted by a terrorist organization called Shocker (which is apparently actually an acronym for Sacred Hegemony Of Cycle Kindred Evolutional Realm.