Sci-fi drama based on the TV show, that follows the key events of the series from the perspective of the robotic Cylons. As they prepare a genocidal attack on their human creators, two Cylons based on the same model are assigned missions that leave them with very different attitudes to their cause. Starring Dean Stockwell, Grace Park, Michael Trucco and Edward James Olmos, who also directed.

When the initial Cylon attack against the Twelve Colonies fails to achieve complete extermination of human life as planned, twin Number Ones (Cavils) embedded on Galactica and Caprica must improvise to destroy the human survivors.