Our hero is called Takeru Tenkuji. One day, he receives a mysterious white sphere called Ghost Eyecon from his late father. Unfortunately, a monster called Gunma also wants this Ghost Eyecon and kills Takeru. Gunma then attacks Akari, Takeru’s childhood friend, but by using the Ghost Eyecon, he receives an extra life and becomes Kamen Rider Ghost !
Takeru’s mission is to gather the souls of 15 famous people in 99 days. If he succeeds, he will be granted a wish. But this ghost hunt will drag him to a war which the outcome might decide of the fate of the world.