When the evil Ortka signed a contract with a man and released the Spider Death Attendant, Igarahi transformed into the Carmen Knight Ravi to stop them. Beside him is Kamen Rider Vice, a demon living in his heart, who has reached an agreement.
明朝大内密探零零零,惧妻如虎,一心为国效忠;可惜在其卧底生涯中,从没被委派任务。妻子雪儿,鬼谷子后人,略懂占卜皇相,触觉敏锐,略带神经质。一日,零零零被上司李义派往妓院“迎春阁”内,调查春药害人一事,