College student and motorcycle enthusiast Takeshi Hongo is abducted by the evil organization Sustainable Happiness Organization with Computational Knowledge Embedded Remodeling, otherwise known as "Shocker", and converted into Batta Augment-01 as part of their plans for world domination. Before they can brainwash him to do their bidding, he escapes and uses his new enhanced abilities, renaming himself Kamen Rider, to wage a one-man war against Shocker.