Five descendants of the people showered with Bio Particles by Bio Robots five centuries in the past have become Biomen. They transform with the Bio Brace and fight using their Super Electronic Brains on their masks. Their Bioswords are equipped with sword and gun modes.
Bioman must rescue two boys who possess an ancient treasure map that leads to Biobase, making them targeted by Gear.
A Tokyo psychiatrist is hoping to better his career by marrying the daughter of a prominent doctor. The match is threatened however when an attractive but very troubled tourist guide comes to him for consultation...
