WHO'S SIDE ARE YOU ON? Gaius Baltar has rebuilt a Cylon Centurion, but has he successfully reprogrammed it- or is it simply waiting for the right moment to strike? Will it hunt down hidden Cylons within the fleet- or join them? Meanwhile, on occupied Caprica, Cavil intensifies his cruel game with the captured Simon- or is he putting pieces in place to help his fellow Cylon escape? And in both places, the Cylons are closing in on the humans...