Takeshi Hongo is a promising young man with a passion for motorcycle racing. However, his dreams are suddenly ruined when he gets kidnapped by Shocker, the evil secret organization planning to dominate the world. After being remodeled into a cyborg, Takeshi escapes and swears to protect the world from the inhuman monsters.

Shinzo Egi is an asthma sufferer who does not want to be place on life support. As a last request, Shinzo Egi asks his doctor Ayano Orii if she could follow his wish. Doctor Ayano Orii is then questioned in a criminal case because of her decision.