When treacherous Xavier travels back in time, Troy and Dillon must race to capture him before the space-age technology falls into the hands of the Nazis.

Xavier appears on Earth before the arrival of the Galactica and it is up to Tory and Dillon to stop his schemes before all hope for a future colony is lost.

When the Cylons launch a surprise attack on the fleet, Adama sends Troy and Dillon to take the children to Earth for their own safety.

Troy and Dillon form a partnership with an immigrant farmer to produce crops to feed the Galactica refugees after the Cylons destroy the fleet's agroships.

Dr. Zee tells Adama about a dream where he sees Starbuck, crashed on a distant planet, befriending an injured Cylon Centurion and a mysterious alien woman who gives birth to a baby boy.