22 years after the dissaperance of his father, Diego Garcia lives in an infamous "Haunted House" where he is destined as Kamen Rider Vampire Knight to fight Fangires-life draining monsters that his father fought four years after his dissaperance. Diego also deals with Kamen Rder XYZ, who is a part of a orgnization to destroy the Fangire menace, and the Fangires' own rider Kamen Rider Viper.
