in distant future...

Legendary race of beings, calling themselves as the
Golden Tribe, evolved into point when they could explore
the universe outside our galaxy. They left a heritage in the
hope that maybe some other tribes from their galaxy will follow
them into the stars. There were a number of remaining tribes in
Milky Way - the Silver Tribe and Bronz tribe were the most powerful.
Both tribes would like to follow Golden Tribe, but nobody knows how to do so.

Among the tribes that has left their planetes to explore galaxy is a young tribe of people, who gets to be called the Silver tribe. Unfortunately war between Silver Tribe and Siler tribe started...