As the first Cylon model created by the Final Five, the Cavils (Dean Stockwell) have always been jealous of their love and attention. They deal with this by eliminating their rivals. When Cavil sees all of humanity as rivals for his parents' love, mankind is in his crosshairs.
The Cylons' sneak attack on the colonies devastates the human race. But it is not a death blow. Cavil is determined to finish the job.
(continued)

