Battlestar Galactica: The Plan. The Cylons began as humanity’s robot servants. They rebelled and evolved and now they look like us. Their plan is simple: destroy the race that enslaved them. But when their devastating attack leaves human survivors, the Cylons have to improvise. “Battlestar Galactica: The Plan” tells the story of two powerful Cylon leaders, working separately, and their determination to finish the task.