Hiroshi Tsukuba is a flying glider who witnesses the attempted abduction of scientists by soldiers of the terrorist organization Neo-Shocker. Landing, Tsukuba drives off the abductors. Later when Tsukuba is critically wounded by a Neo-Shocker mutant, Dr. Keitaro Shido, who has been captured by Neo-Shocker, convinces General Monster that he should be allowed to convert Tsukuba into a cyborg warrior. Dr. Shiba does this to save Tsukuba's life. Hiroshi Tsukuba awakens as the new warrior of justice, Skyrider.

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