 Adama orders the fleet to set a course into the seemingly endless void, where he expects to find the lost planet of Kobol, mother-world of the twelve tribes of man. Apollo and Serina are  sealed  in marriage while Starbuck is being held captive on Baltar s Basestar. When Baltar learns of the search for Kobol, he follows the Colonial fleet for a face to face confrontation with Adama.