The episode takes place alongside the rest of the re-imagined series, with 49,579 human survivors left in the Fleet. The episode primarily details the lives of two specific Cylon models after their apparent destruction who were declared Cylon heroes. One model is "Caprica-Six", the copy of Number Six who was responsible for disabling the Colonial defense system prior to the events of the miniseries. The other model is Sharon "Boomer" Valerii, a sleeper agent who was a member of the crew of "Galactica".