Three millennia after the first invasion of the Space Pirates Barban, a new set of Gingamen — Hyuuga, Gouki, Hayate, Hikaru, Saya — have been selected to protect the Earth. That is, unless the Barban are able to disrupt the ceremony!
In the mountains of India, a man named Takeshi Yamato gains the abilities of the legendary Rainbow Warrior, allowing him to transform into Rainbowman. With this power, he has to stop aliens from invading the earth.