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.
21岁的透(冈田准一饰)爱上了母亲的朋友、年长他二十岁的已婚妇女诗史(黑木瞳饰),他们一见钟情并开始了地下恋情。透的好朋友耕二(松本润饰)也与家庭主妇喜美子(寺岛忍饰)有不伦关系,但情感十分复杂难解,他同时还有一位女友。