Starbuck crashes on the planet Trillion, where the Cylons have destroyed all the humans except for a band of children, who have become warriors to save their enslaved father.
When the 12 Colonies of Man are wiped out by a cybernetic race called the Cylons, Commander Adama and the crew of the battlestar Galactica lead a ragtag fleet of human survivors in search of a "mythical planet" called Earth.