Buffy and Giles leave for the desert on a vision quest led by the First Slayer. While they are gone, Spike decides to have a little fun with his Buffy robot, but the gang mistakes it for the real Buffy and think that she is sleeping with Spike. Meanwhile, Glory's minions also mistake the robot for the real Buffy, and noticing how it acts around Spike, begin to suspect that he is the Key.