The evil organization Shocker alters history by sending their newest creation, Kamen Rider 3, to defeat Kamen Riders 1 and 2 back in 1973. In the alternate present, Shocker is more powerful than ever, and most of the Kamen Riders are now either imprisoned or brainwashed to work for them. One such...
12 years ago, Hideto crippled his younger brother Masato in an accident in the woods. Hideto had avoided Masato ever since, but meets a physically healed but emotionally wounded Masato when he visits home one day. This Masato gets him to face the accident. Hideto then goes to meet the real Masato.
