Brilliant scientist and auto racer, she is captured by Shocker, an evil secret organization plotting to take over the world. Shocker, who have taken notice of her abilities, spend a week in their hideout modifying her into a cyborg with the abilities of a grasshopper. However, just before her brain is modified, she is saved by her mentor, who has been cooperating with Shocker, and escapes from the hideout. From then on, she becomes Kamen Rider and defeats the monsters sent out by Shocker one after another,VNS_Add more details,design-touch